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:
Ellen and Helen talked.
answer:
1


question:
Maggie hurried her sister.
answer:
1


question:
I know which book Mag read, and which book Bob discussed after I had.
answer:

0