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

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

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