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

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

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