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: Here is the snowball which I chased the boy who threw at our teacher.

A: 0
****
Q: The tree dropped its fruit to the ground.

A: 1
****
Q: My uncle didn't buy anything for Christmas, but my aunt did it for him and it was bright red.

A:
0
****