instruction: Is the next sentence syntactically and semantically acceptable?

They pushed through the crowd.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

George gave Jessica the book.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The bears sniff

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

It is tough to teach syntax.

response:
acceptable