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: An elderly woman rides a bicycle along a city street. Sentence 2: An elderly woman walking uphill crossing the street.

A: 2
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Q: Sentence 1: A cat is playing the piano. Sentence 2: A cat is licking its paw.

A: 0
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Q: Sentence 1: Two men are fighting. Sentence 2: Two men are fighting using a form of martial arts.

A:
3
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