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

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

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