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

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

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