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

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

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