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

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

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