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

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

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