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: Japan's opposition party chief criticizes Abe's economic policies Sentence 2: Zimbabwe‚Äôs opposition MDC party challenges Robert Mugabe‚Äôs election win
[A]: 0


[Q]: Sentence 1: georgian government websites are under intense cyber attack following russian military strikes against georgia late last week. Sentence 2: the cyber attacks follow russian military strikes launched against georgia late last week.
[A]: 5


[Q]: Sentence 1: Thailand: Iranians planned to attack Israelis Sentence 2: Malaysia to extradite Iranian for attack on Israelis
[A]:
1