instruction: Is the next sentence syntactically and semantically acceptable?

Traci gave a lollipop.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Our neighbor takes his children to school in his car.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

One plan which I got wind of was calculated to keep us in suspense.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Didn't the magic work?

response:
acceptable