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

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

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