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: Microsoft says to cut up to 18,000 jobs Sentence 2: Microsoft to cut 18,000 jobs in overhaul

Ex Output:
5


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: A man is looking out of a window. Sentence 2: A woman is swimming in the water.

Ex Output:

0