instruction: Is the next sentence syntactically and semantically acceptable?

Mary believed him to have loved her.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

He bought a refrigerator in which to put the beer.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

How hard to read the book was it?
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

John put the book on the table with a pair of tongs.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable