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

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

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