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

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

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