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

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

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