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.
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Question: Sentence 1: Three women are dancing. Sentence 2: The man is dancing.

Answer: 2


Question: Sentence 1: Clinton ready to fight for Obama Sentence 2: Clinton a tough act for Obama to follow

Answer: 1


Question: Sentence 1: A man chops down a tree with an axe. Sentence 2: A man cut a tree with an axe.

Answer:
5