### Instruction:

Extract the cause and effect entities from the following sentence:
The spacecraft will be placed in a large L2 orbit which will ensure stable thermal and observing conditions

### Assistant:

CONDITION: will be placed in a large L2 orbit
VARIABLE: stable thermal
AND: and
EFFECT_1: will ensure stable thermal
EFFECT_2: observing conditions
CAUSE_1: The spacecraft will be placed in a large L2 orbit
KEYWORD: which

