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]: What does John wonder Mary bought?
[EX A]: 0

[EX Q]: I read that Bill had seen me.
[EX A]: 1

[EX Q]: If we invite some philosopher, Max will be offended.
[EX A]:
1