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

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

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