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: It's going to happen, said Jim Santangelo, president of the Teamsters Joint Council 42 in El Monte. Sentence 2: That really affects the companies, big time, said Jim Santangelo, president of the Teamsters Joint Council 42 in El Monte.

Ex Output:
2


Ex Input:
Sentence 1: The dog is barking at the toy. Sentence 2: A dog is barking at a toy.

Ex Output:
5


Ex Input:
Sentence 1: We never got out of it in the first place! Sentence 2: Where does the money come from in the first place?

Ex Output:

1