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

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

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