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: It appears to be true that Harry likes girls.

SOLUTION: acceptable

PROBLEM: This is the sort of problem which the sooner you solve the more easily you'll satisfy the folks up at corporate headquarters.

SOLUTION: acceptable

PROBLEM: It is likely that John has loved Mary.

SOLUTION:
acceptable