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

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

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