instruction: Is the next sentence syntactically and semantically acceptable?

He repeated his claim that the people backed his action.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

It's extremely windy today.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Ayala sent her cousin the diamond necklace.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

John sang a song, Mary played the piano.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable