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

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

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