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: The man is putting chicken into the container. Sentence 2: A man is putting foods in a box.

Output: 2


Input: Consider Input: Sentence 1: the riyadh-based naif arab academy for security sciences said in a statement that it was running a two-week workshop for 50 anti-terrorism experts. Sentence 2: in a statement naif arab academy for security sciences announced-- it will sponsor a 2-week workshop for 50 anti-terrorism experts.


Output: 5