You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
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Question: Sentence1: " We continue to work with the Saudis on this , but they did not , as of the time of this tragic event , provide the additional security we requested . ", Sentence2: " But they did not , as of the time of this particular tragic event , provide the security we had requested , " Mr Jordan said .

Answer: No


Question: Sentence1: Robert Liscouski , the Assistant Secretary of Homeland Security for Infrastructure Protection , will oversee NCSD ., Sentence2: NCSD 's chief will be Robert Liscouski , the assistant secretary of Homeland Security for Infrastructure Protection .

Answer: Yes


Question: Sentence1: That exploit works on unpatched Windows 2000 machines with Service Pack 3 and 4 ., Sentence2: Both Counterpane and iDefense contend that the exploit works effectively against Windows 2000 systems running Service Pack 3 and 4 .

Answer:
Yes