Prosecutors said there is no question Waagner was behind the letters , which were sent at the same time of the anthrax attacks .
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 .
Select from the options at the end. Are these sentences conveying the same meaning?
Available options:
A). no;
B). yes;
B).