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: Tessa sprained Mary 's ankle.
Example Output: 0

Example Input: Who had Poseidon run away, because the executioner murdered?
Example Output: 0

Example Input: They elected Graham chairman.
Example Output:
1