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

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

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