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

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

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