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

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

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