### Instruction:

Extract the cause and effect entities from the following sentence:
Steady-state (science) operations is defined as the period that starts 36 (TBC) months after the M1 has been fully populated and phased for the first time

### Assistant:

VARIABLE: the period
KEYWORD: that
CONDITION: months after the M1 has been fully populated
AND: and
EFFECT_1: Steady-state (science) operations
CAUSE_1: months after the M1 has been fully populated
CAUSE_2: phased for the first time
NOT_RELEVANT: (TBC)

