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 do you believe that iron is to be a fact well known to virtually everybody?
[EX A]: 0

[EX Q]: A fire raged in the mountains.
[EX A]: 1

[EX Q]: There lodged an old woman at Mrs. Parker's.
[EX A]:
0