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

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

*GRAMMAR*
fep -> PURPLE 
 blicket -> RED 
 zup -> YELLOW 
 dax -> BLUE 
 x1 kiki x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] [x2] [x2] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 