(1) Until Sonny 's retirement in 2003 , Mosley worked with the Osborne Brothers , and by 2011 with Bobby Osborne and his band Rocky Top Express .
(2) Bobby Osborne worked with the Osborne Brothers until Mosley 's retirement in 2003 and with Sonny and his band , the Rocky Top Express , until 2011 .

Do these two sentences mean the same thing?

Possible answers:
* no;
* yes;
no