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

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

*GRAMMAR*
gazzer -> YELLOW 
 wif -> GREEN 
 dax -> BLUE 
 blicket -> RED 
 x1 zup x2 -> [x2] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 kiki u2 -> [u1] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 