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

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

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