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

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

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