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

Example Input: 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 .
Example Output: Yes

Example Input: Sentence1: Adrian Lamo , 22 , had told reporters he planned to surrender to the FBI in Sacramento Friday , but he then had second thoughts ., Sentence2: Lamo had told reporters he would surrender to the FBI on the federal courthouse steps in Sacramento on Friday , but he didn 't show up .
Example Output: Yes

Example Input: Sentence1: Culturecom is confident it will make a significant impact on market share with this new development , " Frank Cheung , chairman of Culturecom , said in a statement ., Sentence2: He added : " Culturecom is confident it will make a significant impact on market share with this new development . "
Example Output:
Yes