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

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

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