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

SOLUTION: Yes

PROBLEM: Sentence1: The hearing is to determine whether there is enough evidence to order Akbar to a general court-martial proceeding ., Sentence2: The purpose of the hearing is to determine whether Akbar should be court-martialled .

SOLUTION: Yes

PROBLEM: Sentence1: AN artist has infuriated New Yorkers by painting a sign reading " CAUTION Low Flying Planes " on a building near Ground Zero ., Sentence2: An artist painted a sign reading ``CAUTION Low Flying Planes ' ' on a building near ground zero , angering neighbors and stirring complaints .

SOLUTION:
Yes