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

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

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