### Instruction:

Extract the cause and effect entities from the following sentence:
Rationale: Launch cadence for vehicles should not depend on crew being present on board the Gateway since this would impose undue time and programmatic constraints

### Assistant:

NOT_RELEVANT: Rationale
EFFECT_1: Launch cadence for vehicles should not depend on crew being present on board the Gateway
KEYWORD: since
CAUSE_1: this would impose undue time
AND: and
CAUSE_2: programmatic constraints
VARIABLE: this
NEGATION: should not
CONDITION: programmatic constraints

