instruction: Is the next sentence syntactically and semantically acceptable?

Wickham eloped with Lydia.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

We contributed our paycheck to her.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I prefer.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

This problem, the sooner you solve the more easily you'll satisfy the folks up at corporate headquarters.

response:
acceptable