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 an electronic keyboard. Sentence 2: A band is playing instruments.

A: 1
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Q: Sentence 1: A boy is crawling into a dog house. Sentence 2: A cat is playing on the floor.

A: 0
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Q: Sentence 1: Federer Wins 7th Wimbledon Title Sentence 2: Federer captures 7th Wimbledon title

A:
5
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