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

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

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