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: NYPD Twitter Outreach Backfires Badly Sentence 2: NYPD's twitter campaign backfires

Output: 5


Input: Consider Input: Sentence 1: A man and a woman laughing. Sentence 2: A man and a woman kiss.

Output: 1


Input: Consider Input: Sentence 1: A man puts some cheese on a pizza. Sentence 2: The man sprinkled cheese on the pizza.


Output: 5