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.

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

Output: 2


Input: Consider Input: Sentence 1: A group of people are firing up a hot air balloon. Sentence 2: A large group of people riding brown and white horses.

Output: 0


Input: Consider Input: Sentence 1: I'm not outraged, I'm disappointed. Sentence 2: God bless I'm not outraged, I'm disappointed.


Output: 5