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]: They skated the canals.
[EX A]: 1

[EX Q]: Wanda taught the students that the earth was round.
[EX A]: 1

[EX Q]: This truck spread fewer salt than that one.
[EX A]:
0