### Instruction:

Extract the cause and effect entities from the following sentence:
It is expected that the evaluation feedback will evolve as changes in airspace, and new information systems become integrated and available (Ref

### Assistant:

NOT_RELEVANT: (Ref.
VARIABLE: new information systems
CONDITION: available
KEYWORD: as
AND: and
EFFECT_1: the evaluation feedback will evolve
CAUSE_1: changes in airspace
CAUSE_2: new information systems become integrated
CAUSE_3: available

