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

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

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