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

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

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