### Instruction:

Extract the cause and effect entities from the following sentence:
A dataset is complete if no data has been lost since its generation, unless a requirement in the product specification or service specification allows some losses (e.g. missing samples)

### Assistant:

VARIABLE: service specification
CONDITION: allows some losses
KEYWORD: if
NEGATION: unless
OR: or
EFFECT_1: A dataset is complete
CAUSE_1: no data has been lost since its generation,
CAUSE_2: unless a requirement in the product specification
CAUSE_3: service specification allows some losses
NOT_RELEVANT: (e.g. missing samples)

