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

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

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