instruction: Is the next sentence syntactically and semantically acceptable?

Up what did he look?
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Susan gave the ball all the way to Bill.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Susan whispered a few words.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I believe it to be the switch that is defective.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable