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

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

*GRAMMAR*
zup -> GREEN 
 fep -> BLUE 
 kiki -> PINK 
 lug -> PURPLE 
 u1 dax u2 -> [u2] [u1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 