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: It's so stupid that it just has to be true. Sentence 2: It's amusing to think it even might be true.

Output: 3


Input: Consider Input: Sentence 1: Glover spoke at a news conference that included about 20 relatives of the victims. Sentence 2: About 20 family members of the victims were invited to the news conference.

Output: 3


Input: Consider Input: Sentence 1: How about some testimonies from real health experts? Sentence 2: Also, who's to say there aren't testimonies from "real" health experts on there?


Output: 3