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

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

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