TASK DEFINITION: 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'.
PROBLEM: Did Merv show up and did you play chess?

SOLUTION: 1

PROBLEM: Time flies like an arrow.

SOLUTION: 1

PROBLEM: Who are you gawking at?

SOLUTION:
1