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: How is this slanted against Bush?? Sentence 2: Where is the slant against Bush?

Output: 4


Input: Consider Input: Sentence 1: A person is slicing an onion. Sentence 2: A cat is pooping into a toilet.

Output: 0


Input: Consider Input: Sentence 1: A squirrel is spinning around in circles. Sentence 2: A squirrel runs around in circles.


Output: 4