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 mumbled.
answer:
1


question:
The deed which I want to peruse that contract before filing away is probably a forgery.
answer:
0


question:
How did you think that Mary solved the problem?
answer:

1