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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> PINK 
 dax -> BLUE 
 kiki -> RED 
 x1 tufa u1 -> [u1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 wif x2 -> [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 