Datasets:
kleinay
/
qa_srl

Dataset card Data Studio Files Community
sentence
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1.55k
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31
predicate_idx
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predicate
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16
question
sequence
answers
sequence
answer_ranges
sequence
Change to alternative energy sources that produce little or no air pollution .
TQA:T_0479_7
6
produce
true
produce
[ "how", "is", "someone", "produced", "_", "_", "_", "?" ]
[ "alternative energy sources" ]
[ [ 2, 5 ] ]
Change to alternative energy sources that produce little or no air pollution .
TQA:T_0479_7
6
produce
true
produce
[ "who", "is", "_", "produced", "_", "_", "_", "?" ]
[ "little or no air pollution" ]
[ [ 7, 12 ] ]
For example , hybrid cars run on electricity that would be wasted during braking .
TQA:T_0479_8
5
run
true
run
[ "what", "does", "something", "run", "_", "on", "_", "?" ]
[ "electricity" ]
[ [ 7, 8 ] ]
For example , hybrid cars run on electricity that would be wasted during braking .
TQA:T_0479_8
5
run
true
run
[ "what", "_", "_", "runs", "_", "on", "something", "?" ]
[ "hybrid cars" ]
[ [ 3, 5 ] ]
For example , hybrid cars run on electricity that would be wasted during braking .
TQA:T_0479_8
11
wasted
true
waste
[ "what", "would", "_", "wasted", "_", "_", "_", "?" ]
[ "electricity" ]
[ [ 7, 8 ] ]
For example , hybrid cars run on electricity that would be wasted during braking .
TQA:T_0479_8
11
wasted
true
waste
[ "when", "would", "something", "wasted", "_", "_", "_", "?" ]
[ "during braking" ]
[ [ 12, 14 ] ]
For example , hybrid cars run on electricity that would be wasted during braking .
TQA:T_0479_8
13
braking
true
brake
[ "what", "would", "_", "brake", "_", "_", "_", "?" ]
[ "hybrid cars" ]
[ [ 3, 5 ] ]
These cars use gas only as a backup fuel .
TQA:T_0479_9
2
use
true
use
[ "how", "does", "something", "use", "something", "_", "_", "?" ]
[ "only as a backup fuel", "as a backup fuel" ]
[ [ 4, 9 ], [ 5, 9 ] ]
These cars use gas only as a backup fuel .
TQA:T_0479_9
2
use
true
use
[ "what", "does", "something", "use", "_", "_", "_", "?" ]
[ "gas" ]
[ [ 3, 4 ] ]
These cars use gas only as a backup fuel .
TQA:T_0479_9
2
use
true
use
[ "what", "_", "_", "uses", "something", "_", "_", "?" ]
[ "These cars" ]
[ [ 0, 2 ] ]
Some of the pollutants from fossil fuels can be filtered out of exhaust before it is released into the air .
TQA:T_0480_0
9
filtered
true
filter
[ "what", "can", "_", "filtered", "_", "_", "_", "?" ]
[ "Some of the pollutants from fossil fuels", "pollutants from fossil fuels", "fossil fuels" ]
[ [ 0, 7 ], [ 3, 7 ], [ 5, 7 ] ]
Some of the pollutants from fossil fuels can be filtered out of exhaust before it is released into the air .
TQA:T_0480_0
9
filtered
true
filter
[ "what", "is", "something", "filtered", "_", "out of", "_", "?" ]
[ "exhaust", "out of exhaust" ]
[ [ 12, 13 ], [ 10, 13 ] ]
Some of the pollutants from fossil fuels can be filtered out of exhaust before it is released into the air .
TQA:T_0480_0
9
filtered
true
filter
[ "when", "is", "something", "filtered", "_", "out of", "something", "?" ]
[ "before it is released into the air" ]
[ [ 13, 20 ] ]
Some of the pollutants from fossil fuels can be filtered out of exhaust before it is released into the air .
TQA:T_0480_0
16
released
true
release
[ "where", "is", "something", "released", "_", "_", "_", "?" ]
[ "into the air" ]
[ [ 17, 20 ] ]
Other pollutants can be changed to harmless compounds before they are released .
TQA:T_0480_1
4
changed
true
change
[ "what", "can", "_", "changed", "_", "_", "_", "?" ]
[ "Other pollutants" ]
[ [ 0, 2 ] ]
Other pollutants can be changed to harmless compounds before they are released .
TQA:T_0480_1
4
changed
true
change
[ "what", "can", "something", "changed", "_", "to", "_", "?" ]
[ "harmless compounds", "to harmless compounds" ]
[ [ 6, 8 ], [ 5, 8 ] ]
Other pollutants can be changed to harmless compounds before they are released .
TQA:T_0480_1
4
changed
true
change
[ "when", "can", "something", "changed", "_", "to", "something", "?" ]
[ "before they are released" ]
[ [ 8, 12 ] ]
Other pollutants can be changed to harmless compounds before they are released .
TQA:T_0480_1
11
released
true
release
[ "what", "is", "_", "released", "_", "_", "_", "?" ]
[ "they", "Other pollutants", "pollutants" ]
[ [ 9, 10 ], [ 0, 2 ], [ 1, 2 ] ]
Two widely used technologies are scrubbers and catalytic converters .
TQA:T_0480_2
2
used
true
use
[ "how", "is", "something", "used", "_", "_", "_", "?" ]
[ "widely" ]
[ [ 1, 2 ] ]
Two widely used technologies are scrubbers and catalytic converters .
TQA:T_0480_2
2
used
true
use
[ "what", "is", "_", "used", "_", "_", "_", "?" ]
[ "catalytic converters", "scrubbers", "technologies" ]
[ [ 7, 9 ], [ 5, 6 ], [ 3, 4 ] ]
Scrubbers are used in factories and power plants .
TQA:T_0480_3
2
used
true
use
[ "what", "is", "_", "used", "_", "_", "somewhere", "?" ]
[ "Scrubbers" ]
[ [ 0, 1 ] ]
Scrubbers are used in factories and power plants .
TQA:T_0480_3
2
used
true
use
[ "where", "is", "something", "used", "_", "_", "_", "?" ]
[ "in factories and power plants" ]
[ [ 3, 8 ] ]
They remove particulates and waste gases from exhaust before it is released to the air .
TQA:T_0480_4
1
remove
true
remove
[ "what", "is", "_", "removed", "_", "_", "_", "?" ]
[ "particulates", "particulates and waste gases" ]
[ [ 2, 3 ], [ 2, 6 ] ]
They remove particulates and waste gases from exhaust before it is released to the air .
TQA:T_0480_4
1
remove
true
remove
[ "when", "is", "something", "removed", "_", "_", "_", "?" ]
[ "before it is released to the air" ]
[ [ 8, 15 ] ]
They remove particulates and waste gases from exhaust before it is released to the air .
TQA:T_0480_4
1
remove
true
remove
[ "who", "_", "_", "removes", "_", "_", "_", "?" ]
[ "They" ]
[ [ 0, 1 ] ]
They remove particulates and waste gases from exhaust before it is released to the air .
TQA:T_0480_4
11
released
true
release
[ "what", "is", "_", "released", "_", "_", "somewhere", "?" ]
[ "it", "exhaust", "particulates and waste gases from exhaust" ]
[ [ 9, 10 ], [ 7, 8 ], [ 2, 8 ] ]
They remove particulates and waste gases from exhaust before it is released to the air .
TQA:T_0480_4
11
released
true
release
[ "where", "is", "something", "released", "_", "_", "somewhere", "?" ]
[ "to the air" ]
[ [ 12, 15 ] ]
You can see how a scrubber works in Figure 22.15 .
TQA:T_0480_5
2
see
true
see
[ "what", "is", "_", "seen", "_", "_", "_", "?" ]
[ "how a scrubber works", "a scrubber" ]
[ [ 3, 7 ], [ 4, 6 ] ]
You can see how a scrubber works in Figure 22.15 .
TQA:T_0480_5
2
see
true
see
[ "where", "is", "something", "seen", "_", "_", "_", "?" ]
[ "in Figure 22.15" ]
[ [ 7, 10 ] ]
You can see how a scrubber works in Figure 22.15 .
TQA:T_0480_5
2
see
true
see
[ "who", "_", "_", "sees", "_", "_", "_", "?" ]
[ "You", "You can" ]
[ [ 0, 1 ], [ 0, 2 ] ]
You can see how a scrubber works in Figure 22.15 .
TQA:T_0480_5
6
works
true
work
[ "what", "_", "_", "works", "_", "_", "_", "?" ]
[ "a scrubber", "scrubber" ]
[ [ 4, 6 ], [ 5, 6 ] ]
Catalytic converters are used on motor vehicles .
TQA:T_0480_6
3
used
true
use
[ "what", "is", "something", "used", "_", "on", "_", "?" ]
[ "motor vehicles" ]
[ [ 5, 7 ] ]
Catalytic converters are used on motor vehicles .
TQA:T_0480_6
3
used
true
use
[ "what", "is", "_", "used", "_", "on", "something", "?" ]
[ "Catalytic converters" ]
[ [ 0, 2 ] ]
They break down pollutants in exhaust to non-toxic com - pounds .
TQA:T_0480_7
1
break
true
break
[ "what", "_", "_", "breaks", "_", "down", "something", "?" ]
[ "They" ]
[ [ 0, 1 ] ]
They break down pollutants in exhaust to non-toxic com - pounds .
TQA:T_0480_7
1
break
true
break
[ "what", "does", "something", "break", "_", "down", "_", "?" ]
[ "pollutants", "pollutants in exhaust to non-toxic com - pounds" ]
[ [ 3, 4 ], [ 3, 11 ] ]
For example , they change nitrogen oxides to harmless nitrogen and oxygen gasses .
TQA:T_0480_8
4
change
true
change
[ "what", "_", "_", "changes", "something", "_", "_", "?" ]
[ "they" ]
[ [ 3, 4 ] ]
For example , they change nitrogen oxides to harmless nitrogen and oxygen gasses .
TQA:T_0480_8
4
change
true
change
[ "what", "does", "something", "change", "_", "from", "_", "?" ]
[ "nitrogen oxides" ]
[ [ 5, 7 ] ]
For example , they change nitrogen oxides to harmless nitrogen and oxygen gasses .
TQA:T_0480_8
4
change
true
change
[ "what", "does", "something", "change", "_", "to", "_", "?" ]
[ "harmless nitrogen and oxygen gasses" ]
[ [ 8, 13 ] ]
When they were discovered , worldwide efforts were made to reduce CFCs and carbon dioxide emissions .
TQA:T_0481_1
3
discovered
true
discover
[ "what", "was", "_", "discovered", "_", "_", "_", "?" ]
[ "they", "CFCs and carbon dioxide emissions" ]
[ [ 1, 2 ], [ 11, 16 ] ]
When they were discovered , worldwide efforts were made to reduce CFCs and carbon dioxide emissions .
TQA:T_0481_1
8
made
true
make
[ "what", "was", "_", "made", "_", "_", "_", "?" ]
[ "worldwide efforts" ]
[ [ 5, 7 ] ]
When they were discovered , worldwide efforts were made to reduce CFCs and carbon dioxide emissions .
TQA:T_0481_1
8
made
true
make
[ "why", "was", "something", "made", "_", "_", "_", "?" ]
[ "to reduce CFCs and carbon dioxide emissions" ]
[ [ 9, 16 ] ]
When they were discovered , worldwide efforts were made to reduce CFCs and carbon dioxide emissions .
TQA:T_0481_1
10
reduce
true
reduce
[ "what", "was", "_", "reduced", "_", "_", "_", "?" ]
[ "CFCs and carbon dioxide emissions" ]
[ [ 11, 16 ] ]
When they were discovered , worldwide efforts were made to reduce CFCs and carbon dioxide emissions .
TQA:T_0481_1
10
reduce
true
reduce
[ "when", "was", "something", "reduced", "_", "_", "_", "?" ]
[ "When they were discovered", "they were discovered" ]
[ [ 0, 4 ], [ 1, 4 ] ]
It focuses on CFCs .
TQA:T_0482_1
1
focuses
true
focus
[ "what", "does", "something", "focus", "_", "on", "_", "?" ]
[ "on CFCs" ]
[ [ 2, 4 ] ]
It focuses on CFCs .
TQA:T_0482_1
1
focuses
true
focus
[ "what", "_", "_", "focuses", "_", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It was signed by many countries in 1987 .
TQA:T_0482_2
2
signed
true
sign
[ "what", "was", "_", "signed", "_", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It was signed by many countries in 1987 .
TQA:T_0482_2
2
signed
true
sign
[ "when", "was", "something", "signed", "_", "_", "_", "?" ]
[ "in 1987", "1987" ]
[ [ 6, 8 ], [ 7, 8 ] ]
It was signed by many countries in 1987 .
TQA:T_0482_2
2
signed
true
sign
[ "who", "_", "_", "signed", "something", "_", "_", "?" ]
[ "many countries", "countries" ]
[ [ 4, 6 ], [ 5, 6 ] ]
It controls almost 100 chemicals that can damage the ozone layer .
TQA:T_0482_3
1
controls
true
control
[ "what", "_", "_", "controls", "something", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It controls almost 100 chemicals that can damage the ozone layer .
TQA:T_0482_3
1
controls
true
control
[ "what", "does", "something", "control", "_", "_", "_", "?" ]
[ "almost 100 chemicals", "almost 100 chemicals that can damage the ozone layer" ]
[ [ 2, 5 ], [ 2, 11 ] ]
It controls almost 100 chemicals that can damage the ozone layer .
TQA:T_0482_3
7
damage
true
damage
[ "what", "can", "_", "damage", "something", "_", "_", "?" ]
[ "chemicals", "almost 100 chemicals" ]
[ [ 4, 5 ], [ 2, 5 ] ]
It controls almost 100 chemicals that can damage the ozone layer .
TQA:T_0482_3
7
damage
true
damage
[ "what", "can", "something", "damage", "_", "_", "_", "?" ]
[ "the ozone layer" ]
[ [ 8, 11 ] ]
Its aim is to return the ozone layer to its normal state .
TQA:T_0482_4
4
return
true
return
[ "what", "would", "_", "return", "something", "to", "something", "?" ]
[ "Its aim" ]
[ [ 0, 2 ] ]
Its aim is to return the ozone layer to its normal state .
TQA:T_0482_4
4
return
true
return
[ "what", "would", "something", "return", "something", "to", "_", "?" ]
[ "its normal state", "the ozone layer" ]
[ [ 9, 12 ], [ 5, 8 ] ]
Its aim is to return the ozone layer to its normal state .
TQA:T_0482_4
4
return
true
return
[ "what", "would", "something", "return", "_", "to", "something", "?" ]
[ "the ozone layer", "its normal state", "to its normal state" ]
[ [ 5, 8 ], [ 9, 12 ], [ 8, 12 ] ]
The Montreal Protocol has been effective in controlling CFCs .
TQA:T_0482_5
7
controlling
true
control
[ "what", "is", "_", "controlling", "something", "_", "_", "?" ]
[ "The Montreal Protocol", "Montreal Protocol" ]
[ [ 0, 3 ], [ 1, 3 ] ]
The Montreal Protocol has been effective in controlling CFCs .
TQA:T_0482_5
7
controlling
true
control
[ "what", "is", "something", "controlling", "_", "_", "_", "?" ]
[ "CFCs" ]
[ [ 8, 9 ] ]
By 1995 , few CFCs were still being used .
TQA:T_0482_6
8
used
true
use
[ "what", "was", "_", "used", "_", "_", "_", "?" ]
[ "CFCs", "few CFCs" ]
[ [ 4, 5 ], [ 3, 5 ] ]
By 1995 , few CFCs were still being used .
TQA:T_0482_6
8
used
true
use
[ "when", "was", "something", "used", "_", "_", "_", "?" ]
[ "By 1995", "1995" ]
[ [ 0, 2 ], [ 1, 2 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
4
kept
true
keep
[ "how long", "did", "something", "keep", "_", "_", "doing something", "?" ]
[ "for several years" ]
[ [ 6, 9 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
4
kept
true
keep
[ "what", "did", "something", "keep", "_", "_", "doing", "?" ]
[ "growing" ]
[ [ 5, 6 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
4
kept
true
keep
[ "what", "_", "_", "kept", "_", "_", "doing something", "?" ]
[ "ozone hole", "the ozone hole" ]
[ [ 2, 4 ], [ 1, 4 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
5
growing
true
grow
[ "where", "was", "something", "growing", "_", "_", "_", "?" ]
[ "in the atmosphere" ]
[ [ 16, 19 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
5
growing
true
grow
[ "why", "was", "something", "growing", "_", "_", "somewhere", "?" ]
[ "because of the CFCs already in the atmosphere", "because of the CFCs" ]
[ [ 11, 19 ], [ 11, 15 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
5
growing
true
grow
[ "what", "was", "_", "growing", "_", "_", "somewhere", "?" ]
[ "the ozone hole" ]
[ [ 1, 4 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
5
growing
true
grow
[ "how long", "was", "something", "growing", "_", "_", "somewhere", "?" ]
[ "for several years" ]
[ [ 6, 9 ] ]
But the ozone hole kept growing for several years after that because of the CFCs already in the atmosphere .
TQA:T_0482_7
5
growing
true
grow
[ "when", "was", "something", "growing", "_", "_", "somewhere", "?" ]
[ "after that" ]
[ [ 9, 11 ] ]
It peaked in 2006 .
TQA:T_0482_8
1
peaked
true
peak
[ "what", "_", "_", "peaked", "_", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It peaked in 2006 .
TQA:T_0482_8
1
peaked
true
peak
[ "when", "did", "something", "peak", "_", "_", "_", "?" ]
[ "in 2006", "2006" ]
[ [ 2, 4 ], [ 3, 4 ] ]
It was passed in 1997 .
TQA:T_0483_1
2
passed
true
pass
[ "what", "was", "_", "passed", "_", "_", "_", "?" ]
[ "It" ]
[ [ 0, 1 ] ]
It was passed in 1997 .
TQA:T_0483_1
2
passed
true
pass
[ "when", "was", "something", "passed", "_", "_", "_", "?" ]
[ "1997" ]
[ [ 4, 5 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
2
encourage
true
encourage
[ "what", "does", "something", "encourage", "someone", "_", "to do", "?" ]
[ "use less fossil fuel" ]
[ [ 5, 9 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
2
encourage
true
encourage
[ "what", "_", "_", "encourages", "someone", "_", "to do something", "?" ]
[ "The taxes" ]
[ [ 0, 2 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
2
encourage
true
encourage
[ "who", "does", "something", "encourage", "_", "_", "to do something", "?" ]
[ "people" ]
[ [ 3, 4 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
5
use
true
use
[ "what", "did", "something", "use", "_", "_", "_", "?" ]
[ "less fossil fuel" ]
[ [ 6, 9 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
5
use
true
use
[ "what", "_", "_", "used", "something", "_", "_", "?" ]
[ "people" ]
[ [ 3, 4 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
5
use
true
use
[ "why", "did", "something", "use", "something", "_", "_", "?" ]
[ "reduces carbon dioxide emissions" ]
[ [ 11, 15 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
11
reduces
true
reduce
[ "what", "is", "_", "reduced", "_", "_", "_", "?" ]
[ "carbon dioxide emissions" ]
[ [ 12, 15 ] ]
The taxes encourage people to use less fossil fuel , which reduces carbon dioxide emissions .
TQA:T_0483_10
11
reduces
true
reduce
[ "what", "_", "_", "reduces", "something", "_", "_", "?" ]
[ "use less fossil fuel", "The taxes", "less fossil fuel" ]
[ [ 5, 9 ], [ 0, 2 ], [ 6, 9 ] ]
Carbon sequestration is any way of removing carbon dioxide from the atmosphere and storing it in another form .
TQA:T_0483_11
6
removing
true
remove
[ "how", "is", "something", "removed", "_", "_", "somewhere", "?" ]
[ "Carbon sequestration" ]
[ [ 0, 2 ] ]
Carbon sequestration is any way of removing carbon dioxide from the atmosphere and storing it in another form .
TQA:T_0483_11
6
removing
true
remove
[ "what", "is", "_", "removed", "_", "_", "_", "?" ]
[ "carbon dioxide" ]
[ [ 7, 9 ] ]
Carbon sequestration is any way of removing carbon dioxide from the atmosphere and storing it in another form .
TQA:T_0483_11
6
removing
true
remove
[ "where", "is", "something", "removed", "_", "_", "_", "?" ]
[ "from the atmosphere", "the atmosphere" ]
[ [ 9, 12 ], [ 10, 12 ] ]
Carbon sequestration is any way of removing carbon dioxide from the atmosphere and storing it in another form .
TQA:T_0483_11
13
storing
true
store
[ "how", "is", "something", "stored", "_", "_", "_", "?" ]
[ "in another form" ]
[ [ 15, 18 ] ]
Carbon sequestration is any way of removing carbon dioxide from the atmosphere and storing it in another form .
TQA:T_0483_11
13
storing
true
store
[ "what", "is", "_", "stored", "_", "_", "_", "?" ]
[ "carbon dioxide" ]
[ [ 7, 9 ] ]
Carbon is sequestered naturally by forests .
TQA:T_0483_12
2
sequestered
true
sequester
[ "how", "is", "something", "sequestered", "_", "_", "_", "?" ]
[ "naturally by forests" ]
[ [ 3, 6 ] ]
Carbon is sequestered naturally by forests .
TQA:T_0483_12
2
sequestered
true
sequester
[ "what", "is", "_", "sequestered", "_", "_", "_", "?" ]
[ "Carbon" ]
[ [ 0, 1 ] ]
Trees take in carbon dioxide for photosynthesis .
TQA:T_0483_13
1
take
true
take
[ "what", "does", "something", "take", "_", "in", "_", "?" ]
[ "carbon dioxide" ]
[ [ 3, 5 ] ]
Trees take in carbon dioxide for photosynthesis .
TQA:T_0483_13
1
take
true
take
[ "what", "_", "_", "takes", "_", "in", "something", "?" ]
[ "Trees" ]
[ [ 0, 1 ] ]
Trees take in carbon dioxide for photosynthesis .
TQA:T_0483_13
1
take
true
take
[ "why", "does", "something", "take", "_", "in", "something", "?" ]
[ "photosynthesis", "for photosynthesis" ]
[ [ 6, 7 ], [ 5, 7 ] ]
Artificial methods of sequestering carbon underground are being researched .
TQA:T_0483_14
3
sequestering
true
sequester
[ "what", "is", "_", "sequestered", "_", "_", "_", "?" ]
[ "carbon" ]
[ [ 4, 5 ] ]
Artificial methods of sequestering carbon underground are being researched .
TQA:T_0483_14
3
sequestering
true
sequester
[ "where", "is", "something", "sequestered", "_", "_", "_", "?" ]
[ "underground" ]
[ [ 5, 6 ] ]
Artificial methods of sequestering carbon underground are being researched .
TQA:T_0483_14
8
researched
true
research
[ "what", "is", "_", "researched", "_", "_", "_", "?" ]
[ "Artificial methods of sequestering carbon" ]
[ [ 0, 5 ] ]
Artificial methods of sequestering carbon underground are being researched .
TQA:T_0483_14
8
researched
true
research
[ "where", "is", "something", "researched", "_", "_", "_", "?" ]
[ "underground" ]
[ [ 5, 6 ] ]
One reason is that the worlds biggest producer of greenhouse gases , the U.S. , did not sign the Kyoto Protocol .
TQA:T_0483_16
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sign
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[ "what", "wasn't", "_", "signed", "_", "_", "_", "?" ]
[ "the Kyoto Protocol", "Kyoto Protocol" ]
[ [ 18, 21 ], [ 19, 21 ] ]
One reason is that the worlds biggest producer of greenhouse gases , the U.S. , did not sign the Kyoto Protocol .
TQA:T_0483_16
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sign
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[ "U.S.", "the U.S." ]
[ [ 13, 14 ], [ 12, 14 ] ]
Of the nations that signed it , few are
TQA:T_0483_17
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Of the nations that signed it , few are
TQA:T_0483_17
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The Protocol focuses on controlling greenhouse gas emissions .
TQA:T_0483_2
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focuses
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focus
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[ "controlling greenhouse gas emissions" ]
[ [ 4, 8 ] ]
The Protocol focuses on controlling greenhouse gas emissions .
TQA:T_0483_2
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focuses
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[ "The Protocol" ]
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The Protocol focuses on controlling greenhouse gas emissions .
TQA:T_0483_2
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[ "The Protocol", "Protocol" ]
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