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

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

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