true
Group stage
7.04 Once the play-offs have been completed, the 32 remaining clubs are drawn
into eight groups of four. Clubs from the same association cannot be drawn
into the same group.
http://en.uefa.com/MultimediaFiles/Download/Regulations/competitions/Regulations/01/48/42/49/1484249_DOWNLOAD.pdf

no neviem presne, ale pamatam si ze chelsea a liverpool boli tusim v 2005 v jednej skupine.