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

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

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