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

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

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