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

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

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