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

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

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