instruction:
You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
question:
Sentence1: " The reasons behind the increase in incidence are more complex and we are only just beginning to understand the risk factors , " he said ., Sentence2: However , he said , The reasons behind the increase in incidence are more complex and were just beginning to understand the risk factors .
answer:
Yes


question:
Sentence1: Shares of National were losing 95 cents , or 3.9 % , to $ 23.73 in afternoon New York Stock Exchange trading ., Sentence2: Walgreen 's shares were up 4.6 % , or $ 1.42 , to $ 32.11 in midday New York Stock Exchange trading .
answer:
No


question:
Sentence1: Wal-Mart , Kohl 's Corp. , Family Dollar Stores Inc . , and Big Lots Inc. were among the merchants posting May sales that fell below Wall Street 's modest expectations ., Sentence2: Wal- Mart , Kohl 's Corp. , Family Dollar Stores Inc . , and Big Lots Inc. posted May sales that fell below Wall Street 's modest expectations .
answer:

Yes