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: A black and brown dog runs through the woods. Sentence 2: A dog running through the woods.
[A]: 4


[Q]: Sentence 1: Liquid ammonia leak kills 15 in Shanghai Sentence 2: Liquid ammonia leak kills at least 15 in Shanghai
[A]: 5


[Q]: Sentence 1: Amazon's Bezos to buy the Washington Post for $250 million Sentence 2: Amazon's Bezos buys Washington Post for $250-M
[A]:
5