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 cruise liner docked at the shoreline. Sentence 2: A cruise ship docked at shore.

Ex Output:
4


Ex Input:
Sentence 1: wen states that the main purpose of the germany visit is to advance trade, economic and technological exchanges. Sentence 2: wen stated that the purpose of his visit to germany is to advance trade, economic and technological exchanges.

Ex Output:
5


Ex Input:
Sentence 1: In Pakistan, army adamant on fighting the other Taliban Sentence 2: Pak army adamant on fighting the other Taleban

Ex Output:

5