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

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

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