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]: Carla hit Bill's back.
[EX A]: 1

[EX Q]: Roses flowered in the garden.
[EX A]: 1

[EX Q]: She always wore purple dresses.
[EX A]:
1