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 man is playing a flute. Sentence 2: A man is playing a bamboo flute.
[A]: 4


[Q]: Sentence 1: A plane being readied for take-off. Sentence 2: A small turboprop plane being loaded on the tarmac.
[A]: 3


[Q]: Sentence 1: Romney announces Paul Ryan as running mate Sentence 2: Romney names Ryan as running mate
[A]:
5