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: John talked to a woman.

SOLUTION: acceptable

PROBLEM: Stephen believed it to be easy to please Kim.

SOLUTION: acceptable

PROBLEM: It is likely that John will leave.

SOLUTION:
acceptable