### Instruction:

Extract the cause and effect entities from the following sentence:
Justification: For a 500 mCrab source, observed with an efficiency of 60% the data rates must support all LAD event mode data

### Assistant:

NOT_RELEVANT: Justification
KEYWORD: For
AND: observed with
CONDITION: must support all LAD event mode data
VARIABLE: a
CAUSE_1: a 500 mCrab source
CAUSE_2: an efficiency of 60%
EFFECT_1: the data rates must support all LAD event mode data

