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

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

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