instruction: Is the next sentence syntactically and semantically acceptable?

Calvin will eat.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I consider there to be a man in that garden.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Which goddess did help us?
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Who did he expect to show up who I was acquainted with?
OPTIONS:
- unacceptable
- acceptable

response:
acceptable