### Instruction:

Extract the cause and effect entities from the following sentence:
HUMAN-IN-THE-LOOP (HITL): HITL evaluation is a special class of demonstration and test verification methods, requiring human interaction with a system

### Assistant:

CAUSE_1: HITL evaluation is a special class of demonstration
AND: and
CAUSE_2: test verification methods
EFFECT_1: requiring human interaction with a system
VARIABLE: human interaction with a system
CONDITION: requiring
NOT_RELEVANT: HUMAN-IN-THE-LOOP (HITL):

