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: Wells’ other series include NBC’s ER and Third Watch. Sentence 2: Wells' other series include NBC's "ER" and "Third Watch."

A: 5
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Q: Sentence 1: A girl is singing and playing a guitar. Sentence 2: A young man is singing while playing the guitar.

A: 2
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Q: Sentence 1: A smiling man and a baby girl posing for photo. Sentence 2: A smiling man holds a small child wearing pink and red.

A:
3
****