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

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

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