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

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

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