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

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

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