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

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

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