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

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

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