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

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

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