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

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

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