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

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

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