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

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

*GRAMMAR*
tufa -> YELLOW 
 kiki -> PINK 
 dax -> BLUE 
 zup -> RED 
 u1 blicket u2 -> [u1] [u2] 
 x1 fep -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] [x2] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 