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

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

*GRAMMAR*
lug -> RED 
 zup -> PURPLE 
 tufa -> YELLOW 
 kiki -> BLUE 
 u1 fep u2 -> [u1] [u2] 
 u1 wif x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 