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.

Ex Input:
Sentence 1: PURE COMMUNISM: You have two cows. Sentence 2: LIBERTARIAN/ANARCHO-CAPITALISM: You have two cows.

Ex Output:
2


Ex Input:
Sentence 1: The man is riding a motorcycle down the road. Sentence 2: A man is riding a red motorcycle on the road.

Ex Output:
4


Ex 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.

Ex Output:

1