instruction: Is the next sentence syntactically and semantically acceptable?

It is this hat that I know the boy who is wearing.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

That bottle of water might have cracked open.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The witch went into the forest by vanishing.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Make yourself comfortable.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable