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: How do you know what's right and wrong? Sentence 2: How do you know which story is the right one?

A: 2
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Q: Sentence 1: That's just not how legal briefs are written. Sentence 2: That just isn't how legal reasoning works.

A: 3
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Q: Sentence 1: A girl in a black and blue wet suit is surfing. Sentence 2: A woman wearing a black and blue striped suit is surfing on a wave.

A:
4
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