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

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

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