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

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

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