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

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

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