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: A man is dieing in an operating room. Sentence 2: A man is kissing a woman in stage.

Output: 0


Input: Consider Input: Sentence 1: A man is running. Sentence 2: A man is running down a road.

Output: 4


Input: Consider Input: Sentence 1: Two dairy cows drinking from a pond. Sentence 2: Two cows are drinking from a pond.


Output: 5