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: Penny rowed across the lake.
Example Output: 1

Example Input: Mary got heard to insult her parents.
Example Output: 0

Example Input: This is the dog that chased the cat that caught the rat that ate the cheese.
Example Output:
1