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: The operating revenues were $1.45 billion, an increase over last year's result of $1.38 billion. Sentence 2: Operating revenues rose to $1.45 billion from $1.38 billion last year.

Ex Output:
5


Ex Input:
Sentence 1: The man added vegetables to the broth in the pot. Sentence 2: A man is adding sliced vegetables to a cooking bowl with water.

Ex Output:
3


Ex Input:
Sentence 1: In April, it had forecast operating earnings in the range of 60 to 80 cents a share. Sentence 2: Kodak expects earnings of 5 cents to 25 cents a share in the quarter.

Ex Output:

1