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

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

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