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]: John scratched his arm and Mary did too.
[EX A]: 1

[EX Q]: Why can't the man who usually cuts the grass do so today?
[EX A]: 1

[EX Q]: Bill coughed out the window.
[EX A]:
1