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

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

*GRAMMAR*
zup -> RED 
 kiki -> YELLOW 
 blicket -> GREEN 
 dax -> BLUE 
 u1 lug -> [u1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 x1 tufa -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 