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]: A magnificent diamond sparkled on his finger.
[A]: acceptable


[Q]: John looked up the meaning of ` chanson '.
[A]: acceptable


[Q]: Juliet says that Romeo lies to his parents a lot.
[A]:
acceptable