You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.

[Q]: Who is Ann going to send a picture to her teacher of, as soon as she gets home?
[A]: 0


[Q]: Steve tossed the ball.
[A]: 1


[Q]: Which professor did they meet someone who knows?
[A]:
0