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'.

Q: The witch went into the forest and thereby vanished.

A: 1
****
Q: Peter is owners.

A: 0
****
Q: Fluffy is sick, which I'm not sure you know Sarah expects me to believe Joan realizes.

A:
1
****