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

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

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