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

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

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