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

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

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