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

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

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