*SUPPORT*
IN: lug zup gazzer OUT: BLUE YELLOW YELLOW BLUE
IN: gazzer lug OUT: BLUE YELLOW
IN: blicket zup gazzer OUT: BLUE RED RED BLUE
IN: lug zup dax OUT: PURPLE YELLOW YELLOW PURPLE
IN: gazzer kiki blicket OUT: BLUE BLUE RED
IN: gazzer kiki dax OUT: BLUE BLUE PURPLE
IN: lug kiki gazzer OUT: YELLOW YELLOW BLUE
IN: lug fep dax OUT: YELLOW PURPLE YELLOW
IN: dax OUT: PURPLE
IN: lug kiki dax OUT: YELLOW YELLOW PURPLE
IN: dax lug zup lug OUT: PURPLE YELLOW YELLOW YELLOW YELLOW
IN: gazzer zup dax OUT: PURPLE BLUE BLUE PURPLE
IN: dax fep gazzer OUT: PURPLE BLUE PURPLE
IN: gazzer fep gazzer OUT: BLUE BLUE BLUE

*QUERY*
IN: gazzer kiki gazzer OUT: BLUE BLUE BLUE
IN: blicket gazzer zup lug OUT: RED YELLOW BLUE BLUE YELLOW
IN: gazzer dax kiki lug OUT: BLUE PURPLE PURPLE YELLOW
IN: dax dax kiki dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: blicket OUT: RED
IN: lug zup lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer blicket zup gazzer OUT: BLUE BLUE RED RED BLUE
IN: dax zup dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax dax OUT: PURPLE PURPLE
IN: blicket zup lug OUT: YELLOW RED RED YELLOW

*GRAMMAR*
blicket -> RED 
 lug -> YELLOW 
 gazzer -> BLUE 
 dax -> PURPLE 
 u1 zup u2 -> [u2] [u1] [u1] [u2] 
 u1 fep u2 -> [u1] [u2] [u1] 
 u1 kiki u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 