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

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

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