### Instruction:

Extract the cause and effect entities from the following sentence:
The key principle that is carried over from that work is the assumption that when a trade item’s information is transmitted from an information provider to a data pool, and data pool to data pool (in network data synchronization) that the entire product hiearchy is transmitted

### Assistant:

NOT_RELEVANT: (in network data synchronization)
KEYWORD: that
VARIABLE: the entire product hiearchy
CONDITION: is transmitted
AND: and
CAUSE_1: a trade item’s information is transmitted from an information provider to a data pool
CAUSE_2: data pool to data pool
EFFECT_1: the entire product hiearchy is transmitted

