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

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

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