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

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

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