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

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

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