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: Myanmar’s Suu Kyi urges party unity amid squabbles Sentence 2: Suu Kyi urges party unity amid squabbles

Ex Output:
5


Ex Input:
Sentence 1: china is north korea's closest ally. Sentence 2: north korea is a reclusive state.

Ex Output:
1


Ex Input:
Sentence 1: Not as irritated as you. Sentence 2: You seem as irritated as Henry.

Ex Output:

2