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

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

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