### Instruction:

Extract the cause and effect entities from the following sentence:
The boolean expression becoming true while the object is in the source state is treated as an event in the usual sense

### Assistant:

VARIABLE: the object
CONDITION: is treated as an event in the usual sense
KEYWORD: while
CAUSE_1: The boolean expression becoming true
CAUSE_2: the object is in the source state
EFFECT_1: is treated as an event in the usual sense

