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

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

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