instruction: Is the next sentence syntactically and semantically acceptable?

He might maybe do that, mightn't he?
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The boy's guardian's we elected employer president.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I know how fast you ran.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Miss Bates can chatter on for hours.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable