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

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

*GRAMMAR*
kiki -> RED 
 lug -> YELLOW 
 fep -> PINK 
 zup -> GREEN 
 u1 dax -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 