instruction: Is the next sentence syntactically and semantically acceptable?

George sang to himself.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The dentist is likely to examine Pat.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

One plan which I got wind of was calculated to keep us in suspense.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

He turned off the light.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable