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

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

*GRAMMAR*
zup -> PURPLE 
 tufa -> RED 
 lug -> BLUE 
 kiki -> YELLOW 
 u1 blicket x1 -> [u1] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 