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

Ex Output:
2


Ex Input:
Sentence 1: Usain Bolt wins 200m – Steven Howard reaction Sentence 2: Facebook mobile gains drive revenue growth: reaction

Ex Output:
0


Ex Input:
Sentence 1: An elderly woman is pouring oil into a frying pan. Sentence 2: A tied man is putting into water.

Ex Output:

0