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'.

[EX Q]: George built the houses both.
[EX A]: 0

[EX Q]: Bill didn't confirm that Roger had eaten anything.
[EX A]: 0

[EX Q]: Did you believe him to ever have made an effort to talk to the student?
[EX A]:
1