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

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

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