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

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

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