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: How exactly is Germany being 'punished' for the stupidity of WW? Sentence 2: How exactly are they being punished?
[EX A]: 1

[EX Q]: Sentence 1: Mann's work was all about math. Sentence 2: Mann's work and the HS was all about Tree rings.
[EX A]: 2

[EX Q]: Sentence 1: A man crouching and holding a camera. Sentence 2: The crouching man is holding a large camera.
[EX A]:
5