You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
Q: Sentence1: Prosecutors said there is no question Waagner was behind the letters , which were sent at the same time of the anthrax attacks ., Sentence2: Prosecutors said there is no question Waagner was behind the letters , which were sent at the same time that real anthrax attacks were killing people in 2001 .
A:
Yes