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

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

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