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

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 .
Yes

Sentence1: The other 18 people in the building , including Harrison 's ex-girlfriend , were not injured , police spokesman Don Aaron said ., Sentence2: The other 18 people inside the building - two visitors and 16 employees , including Harrison 's ex-girlfriend - escaped unharmed , Aaron said .
Yes

Sentence1: The S & P 500 finished 13.78 points higher at 930.08 , or 1.5 per cent , the highest level since January 14 ., Sentence2: The S & P rose 13.78 , or 1.5 percent , to 930.08 , the best level since Jan. 14 .

Yes