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 Q]: Sentence 1: Brian Brabazon said his son would get upset but then turn around and befriend his taunters. Sentence 2: Her son would get upset, his mom said, but then turn around and befriend his taunters.
[EX A]: 3

[EX Q]: Sentence 1: The rate of skin cancer has tripled since the 1950s in Norway and Sweden, according to the study. Sentence 2: The study also found that skin cancer nearly tripled in Norway and Sweden since the 1950s.
[EX A]: 5

[EX Q]: Sentence 1: Obama praises U.S.-Latin America trade ties Sentence 2: Obama Secret Service agents sent home
[EX A]:
0