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

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

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