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 new study does not support your claim. Sentence 2: The physical evidence does not support your claim.

Ex Output:
2


Ex Input:
Sentence 1: London-based NCRI official Ali Safavi told Reuters: "We condemn this raid, which is in our view illegal and morally and politically unjustifiable." Sentence 2: We condemn this raid which is in our view illegal and morally and politically unjustifiable, London-based NCRI official Ali Safavi told Reuters by telephone.

Ex Output:
5


Ex Input:
Sentence 1: Newcastle 2-0 Liverpool: Match report, pictures & video highlights Sentence 2: QPR 1-2 West Ham: Match report, pictures & video highlights

Ex Output:

1