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

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

*GRAMMAR*
tufa -> YELLOW 
 dax -> PURPLE 
 kiki -> GREEN 
 wif -> BLUE 
 x1 zup x2 -> [x1] [x2] 
 x1 fep -> [x1] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 