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

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

*GRAMMAR*
fep -> PURPLE 
 gazzer -> GREEN 
 dax -> BLUE 
 zup -> RED 
 x1 blicket -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 lug x2 -> [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 