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

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

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