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:
To train his horse would be desirable.
answer:
acceptable


question:
The boy whose guardian's we elected employer president betrayed us.
answer:
unacceptable


question:
The contestant, who is the judge's brother-in-law, who won the first prize sang dreadfully.
answer:

unacceptable