instruction: Is the next sentence syntactically and semantically acceptable?

Packages drive easily.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The tree broke off some branches.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Dorothy needs that dress as a costume.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Heidi thinks that Andy is eating salmon flavored candy bars.

response:
acceptable