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

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

*GRAMMAR*
lug -> PINK 
 dax -> BLUE 
 kiki -> PURPLE 
 fep -> GREEN 
 x1 blicket x2 -> [x2] [x1] 
 x1 zup x2 -> [x2] [x1] [x2] 
 x1 gazzer u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 