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

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

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