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

*QUERY*
IN: zup dax lug OUT: GREEN YELLOW YELLOW YELLOW
IN: lug zup zup OUT: GREEN YELLOW YELLOW
IN: lug blicket lug blicket zup OUT: YELLOW YELLOW GREEN GREEN GREEN
IN: zup OUT: YELLOW
IN: kiki dax kiki OUT: BLUE BLUE BLUE BLUE
IN: kiki lug kiki OUT: BLUE GREEN BLUE
IN: zup kiki blicket zup blicket kiki OUT: BLUE BLUE YELLOW YELLOW YELLOW BLUE
IN: zup lug OUT: YELLOW GREEN
IN: lug dax zup OUT: YELLOW GREEN GREEN GREEN
IN: kiki kiki OUT: BLUE BLUE

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