instruction: Is the next sentence syntactically and semantically acceptable?

John wagered a stranger to have been in that haunted house.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Which book and which pencil did John buy?

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

The man I think chased Fido returned.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

John asked whether she left.

response:
acceptable