### Instruction:

Extract the cause and effect entities from the following sentence:
SRS-011: Whenever the "date" data is needed, it shall be entered only by choose date from a online calendar

### Assistant:

NOT_RELEVANT: SRS-011:
KEYWORD: Whenever
VARIABLE: it
CONDITION: shall be entered only by choose date from a online calendar
EFFECT_1: it shall be entered only by choose date from a online calendar
CAUSE_1: the "date" data is needed

