instruction: Is the next sentence syntactically and semantically acceptable?

It struck John that it was so.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I expect soon to see the results.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I have should eat plums.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

That our perspectives had changed over the years and the issues we had worked on as students were the topics of discussion.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable