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: three little boys cover themselves with bubbles. Sentence 2: Three children standing by a pool are covered in foam bubbles.
[A]: 4


[Q]: Sentence 1: Some children are raising their hands and clapping. Sentence 2: Three children are playing soccer in the sand.
[A]: 0


[Q]: Sentence 1: NATO sticks to transition roadmap in Afghanistan: Rasmussen Sentence 2: NATO helicopter makes hard landing in E. Afghanistan
[A]:
1