sentence
stringlengths 4
1.55k
| sent_id
stringlengths 12
31
| predicate_idx
int32 0
172
| predicate
stringlengths 2
18
| is_verbal
bool 1
class | verb_form
stringlengths 2
16
| question
sequence | answers
sequence | answer_ranges
sequence |
---|---|---|---|---|---|---|---|---|
Index fossils are commonly used to match rock layers in different places . | TQA:T_0081_0 | 6 | match | true | match | [
"where",
"is",
"something",
"matched",
"_",
"_",
"_",
"?"
] | [
"in different places",
"different places"
] | [
[
9,
12
],
[
10,
12
]
] |
You can see how this works in Figure | TQA:T_0081_1 | 2 | see | true | see | [
"what",
"can",
"someone",
"see",
"_",
"_",
"_",
"?"
] | [
"how this works in Figure",
"how this works"
] | [
[
3,
8
],
[
3,
6
]
] |
You can see how this works in Figure | TQA:T_0081_1 | 2 | see | true | see | [
"who",
"can",
"_",
"see",
"something",
"_",
"_",
"?"
] | [
"You"
] | [
[
0,
1
]
] |
You can see how this works in Figure | TQA:T_0081_1 | 5 | works | true | work | [
"what",
"_",
"_",
"works",
"_",
"_",
"_",
"?"
] | [
"this"
] | [
[
4,
5
]
] |
You can see how this works in Figure | TQA:T_0081_1 | 5 | works | true | work | [
"where",
"does",
"something",
"work",
"_",
"_",
"_",
"?"
] | [
"in Figure"
] | [
[
6,
8
]
] |
Earth formed 4.5 billion years ago . | TQA:T_0082_0 | 1 | formed | true | form | [
"what",
"_",
"_",
"formed",
"_",
"_",
"_",
"?"
] | [
"Earth"
] | [
[
0,
1
]
] |
Earth formed 4.5 billion years ago . | TQA:T_0082_0 | 1 | formed | true | form | [
"when",
"did",
"something",
"form",
"_",
"_",
"_",
"?"
] | [
"4.5 billion years ago"
] | [
[
2,
6
]
] |
Geologists divide this time span into smaller periods . | TQA:T_0082_1 | 1 | divide | true | divide | [
"how",
"does",
"someone",
"divide",
"something",
"_",
"_",
"?"
] | [
"into smaller periods"
] | [
[
5,
8
]
] |
Geologists divide this time span into smaller periods . | TQA:T_0082_1 | 1 | divide | true | divide | [
"what",
"does",
"someone",
"divide",
"_",
"_",
"_",
"?"
] | [
"this time span"
] | [
[
2,
5
]
] |
Geologists divide this time span into smaller periods . | TQA:T_0082_1 | 1 | divide | true | divide | [
"who",
"_",
"_",
"divides",
"something",
"_",
"_",
"?"
] | [
"Geologists"
] | [
[
0,
1
]
] |
Many of the divisions mark major events in life history . | TQA:T_0082_2 | 4 | mark | true | mark | [
"what",
"does",
"something",
"mark",
"_",
"_",
"_",
"?"
] | [
"major events"
] | [
[
5,
7
]
] |
Many of the divisions mark major events in life history . | TQA:T_0082_2 | 4 | mark | true | mark | [
"what",
"_",
"_",
"marks",
"something",
"_",
"_",
"?"
] | [
"Many of the divisions",
"divisions"
] | [
[
0,
4
],
[
3,
4
]
] |
Many of the divisions mark major events in life history . | TQA:T_0082_2 | 4 | mark | true | mark | [
"where",
"does",
"something",
"mark",
"something",
"_",
"_",
"?"
] | [
"in life history",
"life history"
] | [
[
7,
10
],
[
8,
10
]
] |
Divisions in Earth history are recorded on the geologic time scale . | TQA:T_0083_0 | 5 | recorded | true | record | [
"how",
"is",
"something",
"recorded",
"_",
"_",
"_",
"?"
] | [
"on the geologic time scale"
] | [
[
6,
11
]
] |
Divisions in Earth history are recorded on the geologic time scale . | TQA:T_0083_0 | 5 | recorded | true | record | [
"what",
"is",
"_",
"recorded",
"_",
"_",
"_",
"?"
] | [
"Divisions in Earth history"
] | [
[
0,
4
]
] |
For example , the Cretaceous ended when the dinosaurs went extinct . | TQA:T_0083_1 | 5 | ended | true | end | [
"what",
"_",
"_",
"ended",
"_",
"_",
"_",
"?"
] | [
"the Cretaceous"
] | [
[
3,
5
]
] |
For example , the Cretaceous ended when the dinosaurs went extinct . | TQA:T_0083_1 | 5 | ended | true | end | [
"when",
"did",
"something",
"end",
"_",
"_",
"_",
"?"
] | [
"when the dinosaurs went extinct .",
"when the dinosaurs went extinct"
] | [
[
6,
12
],
[
6,
11
]
] |
For example , the Cretaceous ended when the dinosaurs went extinct . | TQA:T_0083_1 | 9 | went | true | go | [
"how",
"did",
"something",
"go",
"_",
"_",
"_",
"?"
] | [
"extinct"
] | [
[
10,
11
]
] |
For example , the Cretaceous ended when the dinosaurs went extinct . | TQA:T_0083_1 | 9 | went | true | go | [
"what",
"_",
"_",
"went",
"_",
"_",
"_",
"?"
] | [
"dinosaurs"
] | [
[
8,
9
]
] |
European geologists were the first to put together the geologic time scale . | TQA:T_0083_2 | 6 | put | true | put | [
"what",
"did",
"someone",
"put",
"_",
"_",
"_",
"?"
] | [
"together the geologic time scale",
"the geologic time scale"
] | [
[
7,
12
],
[
8,
12
]
] |
European geologists were the first to put together the geologic time scale . | TQA:T_0083_2 | 6 | put | true | put | [
"where",
"did",
"someone",
"put",
"something",
"_",
"_",
"?"
] | [
"together"
] | [
[
7,
8
]
] |
European geologists were the first to put together the geologic time scale . | TQA:T_0083_2 | 6 | put | true | put | [
"who",
"_",
"_",
"put",
"something",
"_",
"_",
"?"
] | [
"European geologists"
] | [
[
0,
2
]
] |
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example . | TQA:T_0083_4 | 4 | named | true | name | [
"what",
"is",
"_",
"named",
"_",
"for",
"something",
"?"
] | [
"The Jurassic Period"
] | [
[
0,
3
]
] |
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example . | TQA:T_0083_4 | 4 | named | true | name | [
"what",
"is",
"something",
"named",
"_",
"for",
"_",
"?"
] | [
"the Jura Mountains"
] | [
[
6,
9
]
] |
The Jurassic Period is named for the Jura Mountains in France and Switzerland , for example . | TQA:T_0083_4 | 4 | named | true | name | [
"where",
"is",
"something",
"named",
"_",
"for",
"something",
"?"
] | [
"in France",
"in France and Switzerland",
"Switzerland"
] | [
[
9,
11
],
[
9,
13
],
[
12,
13
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 1 | create | true | create | [
"how",
"has",
"something",
"created",
"_",
"_",
"_",
"?"
] | [
"correlated rock layers"
] | [
[
8,
11
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 1 | create | true | create | [
"what",
"has",
"_",
"created",
"_",
"_",
"_",
"?"
] | [
"the geologic time scale",
"geologic time scale"
] | [
[
2,
6
],
[
3,
6
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 1 | create | true | create | [
"who",
"has",
"_",
"created",
"something",
"_",
"_",
"?"
] | [
"geologists"
] | [
[
7,
8
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 8 | correlated | true | correlate | [
"what",
"was",
"_",
"correlated",
"_",
"_",
"_",
"?"
] | [
"rock layers"
] | [
[
9,
11
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 8 | correlated | true | correlate | [
"who",
"_",
"_",
"correlated",
"_",
"_",
"_",
"?"
] | [
"geologists"
] | [
[
7,
8
]
] |
To create the geologic time scale , geologists correlated rock layers . | TQA:T_0084_0 | 8 | correlated | true | correlate | [
"why",
"did",
"someone",
"correlate",
"_",
"_",
"_",
"?"
] | [
"To create the geologic time scale"
] | [
[
0,
6
]
] |
Stenos laws were used to determine the relative ages of rocks . | TQA:T_0084_1 | 3 | used | true | use | [
"what",
"was",
"something",
"used",
"_",
"for",
"_",
"?"
] | [
"to determine the relative ages of rocks",
"to determine the relative ages of rocks ."
] | [
[
4,
11
],
[
4,
12
]
] |
Stenos laws were used to determine the relative ages of rocks . | TQA:T_0084_1 | 5 | determine | true | determine | [
"how",
"is",
"something",
"determined",
"_",
"_",
"_",
"?"
] | [
"Stenos laws"
] | [
[
0,
2
]
] |
Stenos laws were used to determine the relative ages of rocks . | TQA:T_0084_1 | 5 | determine | true | determine | [
"what",
"is",
"_",
"determined",
"_",
"_",
"_",
"?"
] | [
"the relative ages of rocks"
] | [
[
6,
11
]
] |
The early geologic time scale could only show the order of events . | TQA:T_0084_3 | 7 | show | true | show | [
"what",
"is",
"_",
"shown",
"_",
"_",
"_",
"?"
] | [
"the order of events"
] | [
[
8,
12
]
] |
The early geologic time scale could only show the order of events . | TQA:T_0084_3 | 7 | show | true | show | [
"what",
"is",
"_",
"showing",
"something",
"_",
"_",
"?"
] | [
"The early geologic time scale"
] | [
[
0,
5
]
] |
The discovery of radioactivity in the late 1800s changed that . | TQA:T_0084_4 | 8 | changed | true | change | [
"what",
"_",
"_",
"changed",
"something",
"_",
"_",
"?"
] | [
"The discovery of radioactivity"
] | [
[
0,
4
]
] |
The discovery of radioactivity in the late 1800s changed that . | TQA:T_0084_4 | 8 | changed | true | change | [
"what",
"did",
"something",
"change",
"_",
"_",
"_",
"?"
] | [
"that"
] | [
[
9,
10
]
] |
The discovery of radioactivity in the late 1800s changed that . | TQA:T_0084_4 | 8 | changed | true | change | [
"when",
"did",
"something",
"change",
"something",
"_",
"_",
"?"
] | [
"in the late 1800s"
] | [
[
4,
8
]
] |
Scientists could determine the exact age of some rocks in years . | TQA:T_0084_5 | 2 | determine | true | determine | [
"what",
"can",
"someone",
"determine",
"_",
"_",
"_",
"?"
] | [
"exact age of some rocks",
"the exact age of some rocks",
"the exact age of some rocks in years"
] | [
[
4,
9
],
[
3,
9
],
[
3,
11
]
] |
Scientists could determine the exact age of some rocks in years . | TQA:T_0084_5 | 2 | determine | true | determine | [
"who",
"can",
"_",
"determine",
"something",
"_",
"_",
"?"
] | [
"Scientists"
] | [
[
0,
1
]
] |
They assigned dates to the time scale divisions . | TQA:T_0084_6 | 1 | assigned | true | assign | [
"how",
"did",
"someone",
"assign",
"something",
"_",
"_",
"?"
] | [
"to the time scale divisions",
"time scale divisions"
] | [
[
3,
8
],
[
5,
8
]
] |
They assigned dates to the time scale divisions . | TQA:T_0084_6 | 1 | assigned | true | assign | [
"what",
"did",
"someone",
"assign",
"_",
"_",
"_",
"?"
] | [
"dates"
] | [
[
2,
3
]
] |
They assigned dates to the time scale divisions . | TQA:T_0084_6 | 1 | assigned | true | assign | [
"who",
"_",
"_",
"assigned",
"something",
"_",
"_",
"?"
] | [
"They"
] | [
[
0,
1
]
] |
For example , the Jurassic began about 200 million years ago . | TQA:T_0084_7 | 5 | began | true | begin | [
"what",
"has",
"_",
"begun",
"_",
"_",
"_",
"?"
] | [
"the Jurassic"
] | [
[
3,
5
]
] |
For example , the Jurassic began about 200 million years ago . | TQA:T_0084_7 | 5 | began | true | begin | [
"when",
"has",
"something",
"begun",
"_",
"_",
"_",
"?"
] | [
"about 200 million years ago"
] | [
[
6,
11
]
] |
It lasted for about 55 million years . | TQA:T_0084_8 | 1 | lasted | true | last | [
"how long",
"did",
"something",
"last",
"_",
"_",
"_",
"?"
] | [
"for about 55 million years"
] | [
[
2,
7
]
] |
It lasted for about 55 million years . | TQA:T_0084_8 | 1 | lasted | true | last | [
"what",
"_",
"_",
"lasted",
"_",
"_",
"_",
"?"
] | [
"It"
] | [
[
0,
1
]
] |
The largest blocks of time on the geologic time scale are called eons . | TQA:T_0085_0 | 11 | called | true | call | [
"what",
"is",
"_",
"called",
"something",
"_",
"_",
"?"
] | [
"blocks",
"The largest blocks of time on the geologic time scale"
] | [
[
2,
3
],
[
0,
10
]
] |
The largest blocks of time on the geologic time scale are called eons . | TQA:T_0085_0 | 11 | called | true | call | [
"what",
"is",
"something",
"called",
"_",
"_",
"_",
"?"
] | [
"eons"
] | [
[
12,
13
]
] |
Eons are split into eras . | TQA:T_0085_1 | 2 | split | true | split | [
"what",
"does",
"something",
"split",
"_",
"into",
"_",
"?"
] | [
"eras"
] | [
[
4,
5
]
] |
Eons are split into eras . | TQA:T_0085_1 | 2 | split | true | split | [
"what",
"_",
"_",
"splits",
"_",
"_",
"_",
"?"
] | [
"Eons"
] | [
[
0,
1
]
] |
Each era is divided into periods . | TQA:T_0085_2 | 3 | divided | true | divide | [
"what",
"is",
"_",
"divided",
"_",
"_",
"_",
"?"
] | [
"Each era"
] | [
[
0,
2
]
] |
Each era is divided into periods . | TQA:T_0085_2 | 3 | divided | true | divide | [
"what",
"is",
"something",
"divided",
"_",
"into",
"_",
"?"
] | [
"into periods",
"periods"
] | [
[
4,
6
],
[
5,
6
]
] |
Periods may be further divided into epochs . | TQA:T_0085_3 | 4 | divided | true | divide | [
"how",
"is",
"something",
"divided",
"_",
"_",
"_",
"?"
] | [
"further",
"into epochs"
] | [
[
3,
4
],
[
5,
7
]
] |
Periods may be further divided into epochs . | TQA:T_0085_3 | 4 | divided | true | divide | [
"what",
"is",
"_",
"divided",
"_",
"_",
"_",
"?"
] | [
"Periods"
] | [
[
0,
1
]
] |
Geologists may just use early or late . | TQA:T_0085_4 | 3 | use | true | use | [
"what",
"does",
"someone",
"use",
"_",
"_",
"_",
"?"
] | [
"early or late",
"early or late ."
] | [
[
4,
7
],
[
4,
8
]
] |
Geologists may just use early or late . | TQA:T_0085_4 | 3 | use | true | use | [
"who",
"_",
"_",
"uses",
"something",
"_",
"_",
"?"
] | [
"Geologists"
] | [
[
0,
1
]
] |
Figure 11.13 shows you what the geologic time scale looks like . | TQA:T_0085_6 | 9 | looks | true | look | [
"how",
"does",
"something",
"look",
"_",
"_",
"_",
"?"
] | [
"like"
] | [
[
10,
11
]
] |
Figure 11.13 shows you what the geologic time scale looks like . | TQA:T_0085_6 | 9 | looks | true | look | [
"what",
"_",
"_",
"looks",
"_",
"_",
"_",
"?"
] | [
"the geologic time scale"
] | [
[
5,
9
]
] |
The geologic time scale may include illustrations of how life on Earth has changed . | TQA:T_0086_0 | 5 | include | true | include | [
"what",
"might",
"_",
"include",
"something",
"_",
"_",
"?"
] | [
"The geologic time scale",
"geologic time scale"
] | [
[
0,
4
],
[
1,
4
]
] |
The geologic time scale may include illustrations of how life on Earth has changed . | TQA:T_0086_0 | 5 | include | true | include | [
"what",
"might",
"something",
"include",
"_",
"_",
"_",
"?"
] | [
"illustrations",
"illustrations of how life on Earth has changed"
] | [
[
6,
7
],
[
6,
14
]
] |
The geologic time scale may include illustrations of how life on Earth has changed . | TQA:T_0086_0 | 13 | changed | true | change | [
"what",
"has",
"_",
"changed",
"_",
"_",
"_",
"?"
] | [
"Earth",
"life on Earth"
] | [
[
11,
12
],
[
9,
12
]
] |
Major events on Earth may also be shown . | TQA:T_0086_1 | 7 | shown | true | show | [
"what",
"can",
"_",
"shown",
"_",
"_",
"_",
"?"
] | [
"Major events"
] | [
[
0,
2
]
] |
Major events on Earth may also be shown . | TQA:T_0086_1 | 7 | shown | true | show | [
"where",
"is",
"something",
"shown",
"_",
"_",
"_",
"?"
] | [
"on Earth"
] | [
[
2,
4
]
] |
These include the formation of the major mountains or the extinction of the dinosaurs . | TQA:T_0086_2 | 1 | include | true | include | [
"what",
"was",
"_",
"included",
"_",
"_",
"_",
"?"
] | [
"the formation of the major mountains or the extinction of the dinosaurs",
"formation of the major mountains",
"the formation",
"extinction of the dinosaurs"
] | [
[
2,
14
],
[
3,
8
],
[
2,
4
],
[
10,
14
]
] |
It shows how Earths environment and life forms have changed . | TQA:T_0086_4 | 1 | shows | true | show | [
"what",
"does",
"something",
"show",
"_",
"_",
"_",
"?"
] | [
"how Earths environment and life forms have changed"
] | [
[
2,
10
]
] |
It shows how Earths environment and life forms have changed . | TQA:T_0086_4 | 1 | shows | true | show | [
"what",
"_",
"_",
"shows",
"something",
"_",
"_",
"?"
] | [
"It"
] | [
[
0,
1
]
] |
It shows how Earths environment and life forms have changed . | TQA:T_0086_4 | 9 | changed | true | change | [
"what",
"has",
"_",
"changed",
"_",
"_",
"_",
"?"
] | [
"Earths environment and life forms",
"life forms",
"Earths environment"
] | [
[
3,
8
],
[
6,
8
],
[
3,
5
]
] |
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch . | TQA:T_0087_0 | 2 | live | true | live | [
"when",
"does",
"someone",
"live",
"_",
"_",
"somewhere",
"?"
] | [
"now",
"in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch"
] | [
[
1,
2
],
[
3,
20
]
] |
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch . | TQA:T_0087_0 | 2 | live | true | live | [
"where",
"does",
"someone",
"live",
"_",
"_",
"_",
"?"
] | [
"in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch"
] | [
[
3,
20
]
] |
We now live in the Phanerozoic Eon , the Cenozoic Era , the Quaternary Period , and the Holocene Epoch . | TQA:T_0087_0 | 2 | live | true | live | [
"who",
"_",
"_",
"lives",
"_",
"_",
"_",
"?"
] | [
"We"
] | [
[
0,
1
]
] |
During this eon , rocks contain visible fossils . | TQA:T_0087_2 | 5 | contain | true | contain | [
"what",
"_",
"_",
"contains",
"something",
"_",
"_",
"?"
] | [
"rocks"
] | [
[
4,
5
]
] |
During this eon , rocks contain visible fossils . | TQA:T_0087_2 | 5 | contain | true | contain | [
"what",
"does",
"something",
"contain",
"_",
"_",
"_",
"?"
] | [
"visible fossils"
] | [
[
6,
8
]
] |
During this eon , rocks contain visible fossils . | TQA:T_0087_2 | 5 | contain | true | contain | [
"when",
"does",
"something",
"contain",
"something",
"_",
"_",
"?"
] | [
"During this eon"
] | [
[
0,
3
]
] |
The Cenozoic Era means new life . | TQA:T_0087_4 | 3 | means | true | mean | [
"what",
"does",
"something",
"mean",
"_",
"_",
"_",
"?"
] | [
"new life"
] | [
[
4,
6
]
] |
The Cenozoic Era means new life . | TQA:T_0087_4 | 3 | means | true | mean | [
"what",
"_",
"_",
"means",
"something",
"_",
"_",
"?"
] | [
"The Cenozoic Era",
"Cenozoic Era"
] | [
[
0,
3
],
[
1,
3
]
] |
It encompasses the most recent forms of life on Earth . | TQA:T_0087_5 | 1 | encompasses | true | encompass | [
"what",
"does",
"something",
"encompass",
"_",
"_",
"_",
"?"
] | [
"most recent forms of life on Earth",
"the most recent forms of life"
] | [
[
3,
10
],
[
2,
8
]
] |
It encompasses the most recent forms of life on Earth . | TQA:T_0087_5 | 1 | encompasses | true | encompass | [
"what",
"_",
"_",
"encompasses",
"something",
"_",
"_",
"?"
] | [
"It"
] | [
[
0,
1
]
] |
It encompasses the most recent forms of life on Earth . | TQA:T_0087_5 | 1 | encompasses | true | encompass | [
"where",
"does",
"something",
"encompass",
"something",
"_",
"_",
"?"
] | [
"on Earth"
] | [
[
8,
10
]
] |
The Cenozoic is sometimes called the Age of Mammals . | TQA:T_0087_6 | 4 | called | true | call | [
"what",
"is",
"_",
"called",
"something",
"_",
"_",
"?"
] | [
"The Cenozoic"
] | [
[
0,
2
]
] |
The Cenozoic is sometimes called the Age of Mammals . | TQA:T_0087_6 | 4 | called | true | call | [
"what",
"is",
"something",
"called",
"_",
"_",
"_",
"?"
] | [
"the Age of Mammals"
] | [
[
5,
9
]
] |
The Cenozoic is sometimes called the Age of Mammals . | TQA:T_0087_6 | 4 | called | true | call | [
"when",
"is",
"something",
"called",
"something",
"_",
"_",
"?"
] | [
"sometimes"
] | [
[
3,
4
]
] |
Before the Cenozoic came the Mesozoic and Paleozoic . | TQA:T_0087_7 | 3 | came | true | come | [
"what",
"_",
"_",
"came",
"_",
"before",
"something",
"?"
] | [
"the Cenozoic",
"the Mesozoic and Paleozoic"
] | [
[
1,
3
],
[
4,
8
]
] |
Before the Cenozoic came the Mesozoic and Paleozoic . | TQA:T_0087_7 | 3 | came | true | come | [
"what",
"did",
"something",
"come",
"_",
"before",
"_",
"?"
] | [
"the Cenozoic",
"the Mesozoic and Paleozoic"
] | [
[
1,
3
],
[
4,
8
]
] |
This is the age of reptiles , when dinosaurs ruled the planet . | TQA:T_0087_9 | 9 | ruled | true | rule | [
"what",
"did",
"something",
"rule",
"_",
"_",
"_",
"?"
] | [
"the planet"
] | [
[
10,
12
]
] |
This is the age of reptiles , when dinosaurs ruled the planet . | TQA:T_0087_9 | 9 | ruled | true | rule | [
"what",
"_",
"_",
"ruled",
"something",
"_",
"_",
"?"
] | [
"dinosaurs"
] | [
[
8,
9
]
] |
Like other unstable isotopes , carbon-14 breaks down , or decays . | TQA:T_0090_0 | 10 | decays | true | decay | [
"how",
"does",
"something",
"decay",
"_",
"_",
"_",
"?"
] | [
"breaks down"
] | [
[
6,
8
]
] |
Like other unstable isotopes , carbon-14 breaks down , or decays . | TQA:T_0090_0 | 10 | decays | true | decay | [
"what",
"_",
"_",
"decays",
"_",
"_",
"_",
"?"
] | [
"unstable isotopes",
"carbon-14"
] | [
[
2,
4
],
[
5,
6
]
] |
For carbon-14 decay , each carbon-14 atom loses an alpha particle . | TQA:T_0090_1 | 7 | loses | true | lose | [
"what",
"is",
"_",
"lost",
"_",
"_",
"_",
"?"
] | [
"an alpha particle"
] | [
[
8,
11
]
] |
For carbon-14 decay , each carbon-14 atom loses an alpha particle . | TQA:T_0090_1 | 7 | loses | true | lose | [
"what",
"_",
"_",
"loses",
"something",
"_",
"_",
"?"
] | [
"each",
"each carbon-14 atom",
"carbon-14 atom"
] | [
[
4,
5
],
[
4,
7
],
[
5,
7
]
] |
For carbon-14 decay , each carbon-14 atom loses an alpha particle . | TQA:T_0090_1 | 7 | loses | true | lose | [
"why",
"does",
"something",
"lose",
"something",
"_",
"_",
"?"
] | [
"carbon-14 decay"
] | [
[
1,
3
]
] |
In 5730 years , half of it decays . | TQA:T_0090_10 | 7 | decays | true | decay | [
"what",
"_",
"_",
"decays",
"_",
"_",
"_",
"?"
] | [
"half of it"
] | [
[
4,
7
]
] |
In 5730 years , half of it decays . | TQA:T_0090_10 | 7 | decays | true | decay | [
"when",
"does",
"something",
"decay",
"_",
"_",
"_",
"?"
] | [
"In 5730 years"
] | [
[
0,
3
]
] |
This leaves 50 grams of carbon-14 . | TQA:T_0090_11 | 1 | leaves | true | leave | [
"what",
"is",
"_",
"left",
"_",
"_",
"_",
"?"
] | [
"50 grams of carbon-14"
] | [
[
2,
6
]
] |
This leaves 50 grams of carbon-14 . | TQA:T_0090_11 | 1 | leaves | true | leave | [
"what",
"_",
"_",
"leaves",
"_",
"_",
"_",
"?"
] | [
"This"
] | [
[
0,
1
]
] |
Over the next 5730 years , half of the remaining amount will decay . | TQA:T_0090_12 | 9 | remaining | true | remain | [
"what",
"_",
"_",
"remains",
"_",
"_",
"_",
"?"
] | [
"amount"
] | [
[
10,
11
]
] |
It changes to a stable atom of nitrogen-14 . | TQA:T_0090_2 | 1 | changes | true | change | [
"what",
"_",
"_",
"changes",
"_",
"to",
"something",
"?"
] | [
"It",
"stable atom"
] | [
[
0,
1
],
[
4,
6
]
] |
It changes to a stable atom of nitrogen-14 . | TQA:T_0090_2 | 1 | changes | true | change | [
"what",
"does",
"something",
"change",
"_",
"to",
"_",
"?"
] | [
"a stable atom of nitrogen-14",
"nitrogen-14",
"to a stable atom of nitrogen-14"
] | [
[
3,
8
],
[
7,
8
],
[
2,
8
]
] |
This is illustrated in Figure 11.17 . | TQA:T_0090_3 | 2 | illustrated | true | illustrate | [
"what",
"is",
"_",
"illustrated",
"_",
"_",
"somewhere",
"?"
] | [
"This"
] | [
[
0,
1
]
] |
Subsets and Splits