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.

Sentence 1: A man is carrying another man over his shoulder. Sentence 2: A man is carrying someone on his shoulder.
3

Sentence 1: A person is folding a square paper piece. Sentence 2: A man is folding paper.
3

Sentence 1: A person is playing a guitar. Sentence 2: The man played his guitar.

3