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

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

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