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: All patients developed some or all of the symptoms of E. coli food poisoning : bloody diarrhea , vomiting , abdominal cramping and nausea ., Sentence2: Symptoms of the E. coli infection include bloody diarrhea , nausea , vomiting and abdominal cramping .

SOLUTION: No

PROBLEM: Sentence1: As such , consumers want to easily enjoy this content , regardless of the source , across different devices and locations in the home , said the group ., Sentence2: The companies say their consumers want to enjoy their content , regardless of the source , across different devices and locations in the home .

SOLUTION:
Yes