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 young boy plays in a red ball pit. Sentence 2: A laughing boy lies on a pit of blue balls.
[A]: 3


[Q]: Sentence 1: The two dogs were in the pen. Sentence 2: The cowboy rode his horse in the desert.
[A]: 0


[Q]: Sentence 1: The Dow Jones industrial average .DJI edged up 13.33 points, or 0.15 percent, to 9,196.55. Sentence 2: The Dow Jones industrial average <.DJI> was off 7.75 points, or 0.08 percent, at 9,175.47.
[A]:
2