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".

Ex Input:
Italy borders France.

Ex Output:
acceptable


Ex Input:
He walked right into the wall.

Ex Output:
acceptable


Ex Input:
Willy is taller than Bill by as much as I watch all the games and I know Billy is taller than Dan.

Ex Output:

unacceptable