instruction: Is the next sentence syntactically and semantically acceptable?

The two boys looked up the high stairs.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Bill is sick.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The kennel in which Mary keeps drugs and Fido sleeps has been stolen.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The child became a man.

response:
acceptable