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

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

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