TASK DEFINITION: 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".
PROBLEM: I lent the book all the way to Tony.

SOLUTION: unacceptable

PROBLEM: The employees staffed the store.

SOLUTION: acceptable

PROBLEM: Lewis sent Sam a bicycle, but it never arrived.

SOLUTION:
acceptable