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

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

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