instruction: Is the next sentence syntactically and semantically acceptable?

There are strangers in that garden.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

There may exist a man in the park.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The farm finally got to John after much litigation.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Who is reading a book that criticizes who?
OPTIONS:
- unacceptable
- acceptable

response:
acceptable