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

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

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