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]: A striped fish swam in the aquarium.
[EX A]: 1

[EX Q]: They praised the volunteers' dedication.
[EX A]: 1

[EX Q]: What happened was they knew his parents.
[EX A]:
0