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

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

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