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

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

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