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

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

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