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: the international atomic energy agency has no access to people, documents, sites. Sentence 2: the international atomic energy agency is based in
[A]: 1


[Q]: Sentence 1: Obama is extreme and leftwing. Sentence 2: Obama is part of the extreme leftwing.
[A]: 5


[Q]: Sentence 1: The audiotape aired last week by the Arab Al-Jazeera television network appears to be an effort to incite attacks. Sentence 2: An audiotape aired last week by the Arab al-Jazeera television network may be the strongest evidence yet that Saddam survived the war.
[A]:
2