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]: He seems to become more corrupt, the more lobbyists every senator talks to.
[EX A]: 0

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

[EX Q]: Not many books survived the fire, did they?
[EX A]:
1