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

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

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