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

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

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