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

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

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