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.

[Q]: Sentence 1: Feds move to require car-to-car safety communication Sentence 2: Guatemala overturns former dictator's genocide conviction
[A]: 0


[Q]: Sentence 1: A man is folding paper. Sentence 2: A woman is slicing a pepper.
[A]: 1


[Q]: Sentence 1: Attack on Nato base in Afghanistan kills 15 Sentence 2: Aid workers freed in Afghanistan raid
[A]:
1