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".

Carla slid those books across the table.
acceptable

He walked right into the wall.
acceptable

John said Heidi to eat the broccoli.

unacceptable