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

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

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