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

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

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