You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Q: Sentence1: He said there were complex reasons for the increased numbers of cases and scientists were only just beginning to understand the risk factors ., Sentence2: However , he said , The reasons behind the increase in incidence are more complex and were just beginning to understand the risk factors .

A: Yes
****
Q: Sentence1: Duke and North Carolina have been resolute in their positions against expansion ., Sentence2: Two schools , Duke and North Carolina , have steadfastly opposed expansion .

A: Yes
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Q: Sentence1: AMD 's chip sales jumped 7 percent year-on-year to $ 402 million ., Sentence2: Second-quarter sales grew 7 percent , to $ 645 million from $ 600 million in 2002 .

A:
No
****