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.
--------
Question: Sentence 1: General Myers told reporters that "at first blush, it doesn't look like any rules were broken". Sentence 2: At first blush, it doesn't look like any rules were broken, said Gen. Richard Myers, chairman of the Joint Chiefs of Staff.

Answer: 4


Question: Sentence 1: Egypt votes on final day of presidential election Sentence 2: Polls open in France for presidential election

Answer: 1


Question: Sentence 1: Being against nukes does not mean "not wanting to use nukes". Sentence 2: Being against using nukes means "not wanting to use nukes".

Answer:
1