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

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

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