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

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

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