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

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

*GRAMMAR*
fep -> RED 
 dax -> BLUE 
 kiki -> YELLOW 
 zup -> GREEN 
 x1 tufa x2 -> [x2] [x1] 
 u1 blicket u2 -> [u2] [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 