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

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

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