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

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

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