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]: All native speakers have a grammatical competence which can generate an infinite set of grammatical sentences from a finite set of resources.
[EX A]: 1

[EX Q]: Bill kissed herself.
[EX A]: 0

[EX Q]: Maxwell isn't half the doctor that I know an African chief who is.
[EX A]:
0