*SUPPORT*
IN: fep OUT: PINK
IN: kiki fep lug wif tufa dax tufa wif OUT: PURPLE YELLOW PINK BLUE YELLOW
IN: kiki fep tufa kiki OUT: PURPLE PINK PURPLE
IN: dax lug dax OUT: BLUE BLUE
IN: dax OUT: BLUE
IN: kiki fep OUT: PURPLE PINK
IN: fep blicket OUT: PINK PINK PINK
IN: kiki dax tufa dax OUT: PURPLE BLUE BLUE
IN: wif lug dax blicket tufa kiki OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW PURPLE
IN: kiki OUT: PURPLE
IN: wif dax tufa wif OUT: YELLOW BLUE YELLOW
IN: fep tufa dax OUT: PINK BLUE
IN: kiki lug fep OUT: PINK PURPLE
IN: dax tufa dax OUT: BLUE BLUE

*QUERY*
IN: dax lug kiki OUT: PURPLE BLUE
IN: wif OUT: YELLOW
IN: wif lug kiki OUT: PURPLE YELLOW
IN: wif lug wif blicket OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep dax tufa kiki OUT: PINK BLUE PURPLE
IN: dax lug wif OUT: YELLOW BLUE
IN: fep fep OUT: PINK PINK
IN: dax kiki lug kiki OUT: BLUE PURPLE PURPLE
IN: fep dax blicket tufa fep OUT: PINK BLUE PINK BLUE PINK BLUE PINK
IN: wif lug wif OUT: YELLOW YELLOW

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