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 monkey pulls the tail of a dog. Sentence 2: A monkey is teasing a dog at the zoo.

Output: 3


Input: Consider Input: Sentence 1: A woman is slicing up some meat. Sentence 2: A woman is breading some meat.

Output: 2


Input: Consider Input: Sentence 1: A woman is slicing a pepper. Sentence 2: A woman is cutting a red pepper.


Output: 4