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:
John believes Sally to be polite.
answer:
1


question:
Carla shoveled the snow from among the bushes.
answer:
1


question:
This handsome man chased a dog.
answer:

1