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

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

*GRAMMAR*
gazzer -> GREEN 
 zup -> BLUE 
 kiki -> YELLOW 
 dax -> RED 
 u1 tufa -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 blicket -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 