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

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

*GRAMMAR*
kiki -> YELLOW 
 zup -> PURPLE 
 tufa -> BLUE 
 fep -> RED 
 x1 lug x2 -> [x2] [x1] 
 x1 dax -> [x1] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 