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

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

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