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.

Example Input: Sentence 1: A man is cutting bread. Sentence 2: A man is doing tricks with a soccer ball.
Example Output: 1

Example Input: Sentence 1: Mann's work was all about math. Sentence 2: Mann's work and the HS was all about Tree rings.
Example Output: 2

Example Input: Sentence 1: A dog running through a forest in the winter time Sentence 2: A dog running through a lot of twigs.
Example Output:
3