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]: Ellen and Helen talked.
[EX A]: 1

[EX Q]: A solution presented itself yesterday.
[EX A]: 1

[EX Q]: She's gone and ruined her dress now.
[EX A]:
1