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

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

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