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

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

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