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: Wanda taught the students that the earth was round.

SOLUTION: 1

PROBLEM: Did Merv show up and did you play chess?

SOLUTION: 1

PROBLEM: John seems to be likely to win.

SOLUTION:
1