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

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

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