### Instruction:

Extract the cause and effect entities from the following sentence:
Quality assurance checking at the local sites may be performed before or during the standard exchange file conversion phase

### Assistant:

KEYWORD: during
OR: or
VARIABLE: Quality assurance checking at the local sites
CAUSE_1: the standard exchange file conversion phase
CONDITION: may be performed
EFFECT_1: Quality assurance checking at the local sites may be performed

