### Instruction:

Extract the cause and effect entities from the following sentence:
Classes A, B, and, if the UAS is operated in accordance with instrument flight rules (IFR), Class C

### Assistant:

NOT_RELEVANT: Classes A, B, and
KEYWORD: if
VARIABLE: Class C
CONDITION: is operated in accordance with instrument flight rules (IFR)
EFFECT_1: Class C
CAUSE_1: the UAS is operated in accordance with instrument flight rules (IFR)

