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

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

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