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: Tokyo to host 2020 Olympic Games Sentence 2: Wrestling to feature in 2020 Tokyo Olympics

Output: 1


Input: Consider Input: Sentence 1: A man is taking out the insides of a green pepper. Sentence 2: Someone is removing the seeds from a bell pepper.

Output: 4


Input: Consider Input: Sentence 1: A tan dog jumps up to catch a tennis ball. Sentence 2: A red dog jumps an catches a tennis ball in its mouth.


Output: 3