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

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

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