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

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

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