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

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

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