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

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

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