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

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

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