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: People exploited the laws. Sentence 2: People bent the laws.

Ex Output:
3


Ex Input:
Sentence 1: Obama nominates new transportation secretary Sentence 2: Obama To Meet Embattled Veterans Secretary

Ex Output:
0


Ex Input:
Sentence 1: A television in a messy room with several bookcases. Sentence 2: A room with a television, stereo and bookshelf.

Ex Output:

3