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.

Input: Consider Input: Sentence 1: The woman is riding a horse. Sentence 2: A man is riding a horse in an arena.

Output: 2


Input: Consider Input: Sentence 1: A man and woman is riding in a car. Sentence 2: A woman is frying shrimp.

Output: 0


Input: Consider Input: Sentence 1: The girl flew her kite while she ran up a hill. Sentence 2: A girl loses her kite.


Output: 2