jimmy, rodger, sam, gary, wai, fat lo, kwai, andy, bill brother , man siu, bun chai, siu hung , colie, sony
rodger x 3 ( a : jimmy x 1 ; forget x 2)
andy x 3 (a : wai x 1 ; bun chai x 1 ; forget x 1)
fat lo x 1 (a : no)
sam x 1 (a : jimmy)
bill brother x 1 (a : jimmy)
9 : 2