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

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

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