QUES: 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 .

The sentences above mean the same or not?
****
ANS: yes

QUES: The poll , conducted by KRC Communications Research of Newton , was taken Wednesday and Thursday .

The poll of 405 registered Massachusetts voters was conducted Wednesday through Friday by RKM Research and Communications .

The sentences above mean the same or not?
****
ANS: no

QUES: Suspected rebels also blew up an oil pipeline in north-east Colombia .

Also Sunday , suspected rebels dynamited an oil pipeline in northeast Colombia .

The sentences above mean the same or not?
****
ANS:
yes