### Instruction:

Extract the cause and effect entities from the following sentence:
If the proposed trajectory is predicted to cause a conflict, the controller takes the necessary action to alleviate the conflict

### Assistant:

KEYWORD: If
CAUSE_1: the proposed trajectory is predicted to cause a conflict
VARIABLE: the controller
CONDITION: takes the necessary action to alleviate the conflict
EFFECT_1: the controller takes the necessary action to alleviate the conflict

