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

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

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