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

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

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