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

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

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