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

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

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