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

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

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