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 didn't give Jack this picture of anybody.
answer:
0


question:
John is prouder of having gone than nobody expected me to believe he would be.
answer:
0


question:
We proved Smith conclusively to the authorities to be the thief.
answer:

1