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

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

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