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: That Sam didn't pick those packages up is possible which are to be mailed tomorrow.
Example Output: 0

Example Input: Jill offered the ball at Bob.
Example Output: 0

Example Input: An old woman lived in the forest.
Example Output:
1