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

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

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