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

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

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