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 women posing with a baby. Sentence 2: A woman poses with a baby.

Ex Output:
2


Ex Input:
Sentence 1: A man is slicing potatoes. Sentence 2: A woman is peeling potato.

Ex Output:
2


Ex Input:
Sentence 1: One man in an orange shirt wearing a white helmet is riding a bike. Sentence 2: The man wearing a blue helmet is riding a Polaris.

Ex Output:

3