### Instruction:

Extract the cause and effect entities from the following sentence:
MR-OGS-190 During the science operations phase, the ground contact duration and frequency shall be 14 hours per week, spread over 4 ground contacts

### Assistant:

NOT_RELEVANT: MR-OGS-190
KEYWORD: During
VARIABLE: frequency
AND: and
CONDITION: spread over 4 ground contacts
CAUSE_1: the science operations phase
EFFECT_1: the ground contact duration
EFFECT_2: frequency shall be 14 hours per week
EFFECT_3: spread over 4 ground contacts

