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 clown's antics amused the children.
Example Output: 1

Example Input: Every man who said he would buy some salmon did buy some salmon.
Example Output: 1

Example Input: The witch turned him from a prince into a frog.
Example Output:
1