instruction: Is the next sentence syntactically and semantically acceptable?

John seems to be honest.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Briana showed himself Justin.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The harder it rains, how much faster that do you run?

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Flo desperately wants, though she doesn't really expect, the Miami Dolphins to be in the play-offs.

response:
acceptable