### Instruction:

Extract the cause and effect entities from the following sentence:
Verification by demonstration is the actual operation of flight or ground equipment or teams to evaluate its functional performance and/or its interfaces to other equipment or teams

### Assistant:

CAUSE_1: Verification by demonstration is the actual operation of flight
CAUSE_2: ground equipment
CAUSE_3: teams
EFFECT_1: to evaluate its functional performance
AND: and
OR: or
EFFECT_2: its interfaces to other equipment
EFFECT_3: teams
VARIABLE: teams
CONDITION: to evaluate

