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: The guide has been taken John to the library.
Example Output: 0

Example Input: If my father, he comes home late, my mother always grills him.
Example Output: 0

Example Input: This drug must first be tested on oneself.
Example Output:
1