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

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

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