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'.

[Q]: I searched for treasure in the cave.
[A]: 1


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


[Q]: The two boys looked up the high stairs.
[A]:
1