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 black and white dog looking at the camera. Sentence 2: A small black and white goat in a pen looking up at the camera.

Output: 1


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 black and white spotted dog jumps over a stream. Sentence 2: A black and white spotted dog is jumping over the small stream of water.


Output: 5