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

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

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