instruction: Is the next sentence syntactically and semantically acceptable?

More caviar than mush is eaten by Jack.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

He looked up it

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

When did you arrive?

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Would you mind taking out the garbage?

response:
acceptable