instruction:
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'.
question:
She waltzed across the floor.
answer:
1


question:
Which packages didn't Sam pick up which are to be mailed tomorrow until it had stopped raining?
answer:
0


question:
I thought she is pregnant
answer:

0