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

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

*GRAMMAR*
fep -> PURPLE 
 blicket -> YELLOW 
 zup -> RED 
 dax -> BLUE 
 u1 lug u2 -> [u1] [u2] 
 u1 gazzer u2 -> [u2] [u2] [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 