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

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

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