### Instruction:

Extract the cause and effect entities from the following sentence:
Indeed, in this case, the communication is triggered only when an event is detected in the immediate sensing-range of a node

### Assistant:

NOT_RELEVANT: Indeed, in this case
KEYWORD: only when
VARIABLE: the communication
CONDITION: is triggered
CAUSE_1: an event is detected in the immediate sensing-range of a node
EFFECT_1: the communication is triggered

