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

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

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