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

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

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