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

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

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