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".

[Q]: The boy's loud playing of the piano drove everyone crazy.
[A]: acceptable


[Q]: The harder it rains, how much faster a flow do you see in the river?
[A]: acceptable


[Q]: It was to Boston that they decided to take the patient.
[A]:
acceptable