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

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

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