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

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

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