### Instruction:

Extract the cause and effect entities from the following sentence:
In conjunction with the ground automation handoff, which is done automatically unless the controller takes an extra action to reject it, data communications provides the next frequency to the flight crew, and transfers the data communications eligibility to the next sector or Center

### Assistant:

CONDITION: takes an extra action to reject it
NEGATION: unless
VARIABLE: the ground automation handoff
KEYWORD: which
NOT_RELEVANT: data communications provides the next frequency to the flight crew, and transfers the data communications eligibility to the next sector or Center
EFFECT_1: the ground automation handoff
CAUSE_1: the controller takes an extra action to reject it

