instruction: Is the next sentence syntactically and semantically acceptable?

Paula hit at the fence with the stick.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I'm sadder than I'm angry.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The door opens, closes.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Every man who has any matches is happy.

response:
acceptable