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

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

*GRAMMAR*
lug -> GREEN 
 zup -> PURPLE 
 gazzer -> RED 
 dax -> BLUE 
 x1 blicket -> [x1] [x1] 
 x1 kiki -> [x1] [x1] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 