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

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

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