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

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

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