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

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

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