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

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

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