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

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

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