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

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

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