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

Q: Sentence1: " Our policies are well-known , and I 'm not aware of any changes in policy " on Iran , Powell said ., Sentence2: " Our policies are well known and I 'm not aware of any changes , " Secretary of State Colin Powell said Tuesday .

A: Yes
****
Q: 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 .

A: No
****
Q: Sentence1: Government workers trapped in a burning downtown office tower frantically dialed 911 as they tried to make their way through smoke-filled staircases and hallways , officials said ., Sentence2: Some people trapped in a burning high-rise building in Chicago 's Loop business district frantically dialed 911 for help in escaping the smoke-filled staircases and hallways , officials said .

A:
Yes
****