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

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

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