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]: Who did Plato listen to DP Demosthenes' oration about?
[A]: 0


[Q]: Order one first is what you should do.
[A]: 0


[Q]: We spotted that they were running.
[A]:
0