instruction: Is the next sentence syntactically and semantically acceptable?

That Sam didn't pick those packages which are to be mailed tomorrow up is possible.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Which celebrity did he mention that he had run into?

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I funneled the mixture into the bottle.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The butler polished the silver.

response:
acceptable