instruction:
You're given a sentence and your task is to classify whether the sentence is acceptable or not. Any sentence which is grammatically correct, has a naturalistic text, is written by a native speaker and which minimizes superfluous content is acceptable, otherwise unacceptable. If the sentence is acceptable then write "acceptable", otherwise "unacceptable".
question:
Not many books survived the fire, did they?
answer:
acceptable


question:
little equipment is available.
answer:
acceptable


question:
They said that Tom would pay up, and pay up I believe that he did.
answer:

acceptable