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:
I deny that that Bob has any money is certain.
answer:
0


question:
Who did Plato listen to DP Demosthenes' oration about?
answer:
0


question:
This rock is light enough for Marcia to pick it up.
answer:

1