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: Scenario A assumes that the CO growth rate accelerates by .%/yr. Sentence 2: It assumes that methane growth rate accelerates by .%/yr.

Output: 2


Input: Consider Input: Sentence 1: A dog is jumping up in the air to catch a toy. Sentence 2: A black dog jumps in the air to catch a toy.

Output: 4


Input: Consider Input: Sentence 1: The island nation reported 65 new cases on May 22, a one day record, and 55 new cases on May 23, making Taiwan's epidemic the fastest-growing in the world. Sentence 2: Taiwan reported 65 new cases on May 22, a one-day record, and 55 new cases on May 23, making its epidemic the world's fastest-growing.


Output: 5