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

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

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