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: Every man who said he would buy some salmon did buy some salmon.

SOLUTION: 1

PROBLEM: I deny that that Bob has any money is certain.

SOLUTION: 0

PROBLEM: Ann may spends her vacation in Italy.

SOLUTION:
0