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: The woman is peeling shrimp. Sentence 2: The man is holding a lemur.

Output: 0


Input: Consider Input: Sentence 1: He explained that he found Antetonitrus when he came to Wits in 2001 as a post-doctoral research assistant at England's University of Bristol. Sentence 2: He explained that he found antetonitrus when he came to Wits in 2001 while a post-doctoral research assistant at Bristol University in Britain.

Output: 5


Input: Consider Input: Sentence 1: I. ATLANTIC REQUIREMENTS . Sentence 2: PACIFIC REQUIREMENTS .


Output: 1