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

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

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