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: Two men are setting up some electronic equpitment Sentence 2: Two dogs are wrestling on the ground in the snow.

Ex Output:
0


Ex Input:
Sentence 1: The beagle is walking on the beach at the waterline. Sentence 2: A beagle walks along the calm shore.

Ex Output:
4


Ex Input:
Sentence 1: Former Nazi death camp guard Demjanjuk dead at 91 Sentence 2: John Demjanjuk, convicted Nazi death camp guard, dies aged 91

Ex Output:

5