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

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

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