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: People exploited the laws. Sentence 2: People bent the laws.
[EX A]: 3

[EX Q]: Sentence 1: The UK population is just over  million. Sentence 2: The Japanese population is nearly  million.
[EX A]: 1

[EX Q]: Sentence 1: There is simply no winning for Obama among conservatives. Sentence 2: This is rich coming from a conservative.
[EX A]:
1