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

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

*GRAMMAR*
tufa -> YELLOW 
 kiki -> BLUE 
 zup -> RED 
 dax -> GREEN 
 x1 gazzer x2 -> [x1] [x2] 
 u1 lug x1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 