instruction: Is the next sentence syntactically and semantically acceptable?

John scratched his arm and the boy who knew Mary scratched her arm.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Doug cleared at the table of dishes.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

The old dog died all the way.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Mary is often running the marathon.

response:
acceptable