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 UK population is just over  million. Sentence 2: The Japanese population is nearly  million.

Ex Output:
1


Ex Input:
Sentence 1: A man is cutting bread. Sentence 2: A man is doing tricks with a soccer ball.

Ex Output:
1


Ex Input:
Sentence 1: A group of young ballerinas are in a dance studio. Sentence 2: A group of young ladies in bikinis.

Ex Output:

1