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

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

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