Evaluate the similarity between them and classify them into classes from 0-5 as follows:
0 : The two sentences are completely dissimilar.
1 : The two sentences are not equivalent, but are on the same topic.
2 : The two sentences are not equivalent, but share some details.
3 : The two sentences are roughly equivalent, but some important information differs/missing.
4 : The two sentences are mostly equivalent, but some unimportant details differ.
5 : The two sentences are completely equivalent, as they mean the same thing.

[Q]: Sentence 1: A man is playing keyboards. Sentence 2: A man is riding a mechanical bull.
[A]: 1


[Q]: Sentence 1: The hedgehog chewed on the towel. Sentence 2: A hedgehog is biting at a blanket.
[A]: 3


[Q]: Sentence 1: More factchecking: I don't know why anyone is making a fuss over the $, bet. Sentence 2: I don't know why anyone is making a fuss over the $, bet.
[A]:
4