*SUPPORT*
IN: kiki tufa zup tufa OUT: BLUE PURPLE BLUE PURPLE BLUE
IN: fep tufa OUT: YELLOW BLUE
IN: fep kiki tufa gazzer kiki OUT: YELLOW PURPLE BLUE PURPLE PURPLE
IN: tufa tufa gazzer tufa OUT: BLUE BLUE BLUE BLUE
IN: lug OUT: RED
IN: tufa wif kiki OUT: PURPLE BLUE
IN: fep OUT: YELLOW
IN: lug wif lug gazzer kiki OUT: RED RED PURPLE PURPLE
IN: tufa wif kiki fep gazzer fep gazzer lug OUT: PURPLE YELLOW BLUE YELLOW YELLOW RED RED
IN: lug wif lug kiki gazzer tufa gazzer tufa OUT: RED PURPLE RED BLUE BLUE BLUE BLUE
IN: kiki OUT: PURPLE
IN: tufa OUT: BLUE
IN: kiki lug wif lug gazzer tufa gazzer kiki OUT: PURPLE RED RED BLUE BLUE PURPLE PURPLE
IN: tufa kiki wif kiki gazzer tufa OUT: BLUE PURPLE PURPLE BLUE BLUE

*QUERY*
IN: lug wif fep zup lug fep gazzer tufa OUT: RED YELLOW YELLOW RED YELLOW RED BLUE BLUE
IN: fep tufa fep OUT: YELLOW BLUE YELLOW
IN: kiki kiki wif kiki wif fep wif lug OUT: PURPLE RED YELLOW PURPLE PURPLE
IN: kiki wif lug wif fep lug wif tufa OUT: YELLOW BLUE RED RED PURPLE
IN: tufa wif fep tufa wif tufa wif fep OUT: YELLOW YELLOW BLUE BLUE BLUE
IN: lug tufa wif tufa gazzer fep OUT: RED BLUE BLUE YELLOW YELLOW
IN: lug lug OUT: RED RED
IN: tufa wif tufa tufa wif fep wif fep OUT: BLUE YELLOW YELLOW BLUE BLUE
IN: fep zup kiki tufa kiki OUT: PURPLE BLUE PURPLE YELLOW YELLOW
IN: lug kiki gazzer lug OUT: RED PURPLE RED RED

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