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

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

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