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: fan stated the commission is primarily concerned with the term of future investment in taiwan. Sentence 2: fan stated the commission will ensure the commitments are upheld once the investments are under way.

Ex Output:
2


Ex Input:
Sentence 1: A man plays a trumpet. Sentence 2: A man is playing a musical instrument.

Ex Output:
3


Ex Input:
Sentence 1: Several people on motorcycles in a market square. Sentence 2: People ride mopeds in an urban setting.

Ex Output:

2