### Instruction:

Extract the cause and effect entities from the following sentence:
This volume does not include stowage volume or volume for multi-use equipment (separate requirements), however this volume may be used for stowage if powered payloads are not occupying the volume

### Assistant:

NOT_RELEVANT: however
EFFECT_1: this volume may be used for stowage
CAUSE_1: powered payloads are not occupying the volume
KEYWORD: if
VARIABLE: powered payloads
CONDITION: occupying the volume
NEGATION: are not

