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

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

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