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

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

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