### Instruction:

Extract the cause and effect entities from the following sentence:
Business Rules: If used, the first attribute, which is the primary attribute, is mandatory

### Assistant:

NOT_RELEVANT: Business Rules:
KEYWORD: If
CONDITION: is mandatory
VARIABLE: the first attribute, which is the primary attribute,
CAUSE_1: used
EFFECT_1: the first attribute, which is the primary attribute, is mandatory

