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

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

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