### Instruction:

Extract the cause and effect entities from the following sentence:
If it relates to an existing case, it is added as a review case from that case, otherwise it is added as a new case

### Assistant:

CAUSE_1: it relates to an existing case
EFFECT_1: it is added as a review case from that case
EFFECT_2: it is added as a new case
NEGATION: otherwise
KEYWORD: If
VARIABLE: it
CONDITION: is added as a new case

