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

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

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