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: A television in a messy room with several bookcases. Sentence 2: A room with a television, stereo and bookshelf.

Ex Output:
3


Ex Input:
Sentence 1: Someone is holding and petting a baby tiger. Sentence 2: Someone is rinsing a large beef steak at the kitchen sink.

Ex Output:

0