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: Who did Athena introduce who to?
Example Output: 0

Example Input: What the thing cost which I ate almost broke me.
Example Output: 1

Example Input: Heather cabled Sara about the situation.
Example Output:
1