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

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

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