instruction: Is the next sentence syntactically and semantically acceptable?

Sally is such a fool as people think.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

This boy must not go to France, but his father must go to France.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mary waited for the bus and to go home.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Michelle became an architect.

response:
acceptable