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

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

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