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

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

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