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: Tabs were kept on all persons entering the station.

Answer: 1


Question: The harder that it rains, how much faster a flow do you see in the river?

Answer: 1


Question: John destroyed the house.

Answer:
1