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

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

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