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

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

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