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

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

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