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'.

Example Input: He attributed the fire to a short circuit.
Example Output: 1

Example Input: John has been captured by the cops and I'm afraid he'll talk.
Example Output: 1

Example Input: Exactly half of the students attended some seminar.
Example Output:
1