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

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

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