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]: I confused Maria and Anna.
[EX A]: 1

[EX Q]: Fanny pulled the blanket over her.
[EX A]: 1

[EX Q]: I know which book Max read, and which book Oscar didn't.
[EX A]:
1