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

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

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