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

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

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