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

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

*GRAMMAR*
tufa -> PINK 
 wif -> YELLOW 
 dax -> BLUE 
 gazzer -> RED 
 u1 blicket u2 -> [u1] [u2] [u1] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 x1 fep x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 