Detailed Instructions: 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: in september 2007 jordan signed an accord with the united states aimed at supporting the peaceful development of the jordan's nascent nuclear program. Sentence 2: in september 2007 the united states signed an accord with jordan aimed at supporting the peaceful development of jodran's new nuclear program.
A:
5