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

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

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