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]: Joan knew the answer.
[EX A]: 1

[EX Q]: The witch went into the forest and thereby vanished.
[EX A]: 1

[EX Q]: My uncle doesn't have a spouse but your aunt does and he is lying on the floor.
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
1

