instruction: Is the next sentence syntactically and semantically acceptable?

each of the girls likes herself.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Margaret cut the bread.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Which packages is it possible that Sam didn't pick up which are to be mailed tomorrow until it had stopped raining?

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Hartfield House is in Surrey.

response:
acceptable