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

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

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