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

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

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