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

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

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