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

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

*GRAMMAR*
fep -> BLUE 
 tufa -> PURPLE 
 dax -> PINK 
 gazzer -> RED 
 u1 lug u2 -> [u1] [u2] [u1] 
 u1 zup -> [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 