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 woman with a viking hat on. Sentence 2: Smiling woman sitting wearing a viking hat.

Ex Output:
4


Ex Input:
Sentence 1: A school bus is driving uphill on a rural road. Sentence 2: A race care driving along a dirt road.

Ex Output:

1