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

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

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