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

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

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