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 woman is dancing and singing with other women. Sentence 2: A woman is dancing and singing in the rain.

A: 3
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Q: Sentence 1: The rate of skin cancer has tripled since the 1950s in Norway and Sweden, according to the study. Sentence 2: The study also found that skin cancer nearly tripled in Norway and Sweden since the 1950s.

A: 5
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Q: Sentence 1: A bird perched on a flowerpot. Sentence 2: Bird perched on a flowerpot beside a stucco wall.

A:
4
****