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: Rangers voted into Division Three Sentence 2: Rangers voted into third division

Ex Output:
5


Ex Input:
Sentence 1: A woman is feeding an aardvark. Sentence 2: A woman is chopping up garlic.

Ex Output:
0


Ex Input:
Sentence 1: Some 14,000 customers were without power in the area, Oklahoma Gas and Electric said. Sentence 2: About 38,000 OGE Energy Corp. customers are without power, the company said on its Web site.

Ex Output:

3