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

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

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