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]: Sandy taught the children the alphabet, but only got as far as the letter `` r ''.
[A]: 1


[Q]: After ten ones had left, seven more soldiers came in.
[A]: 0


[Q]: Dulles suspected everyone who Angleton did.
[A]:
1