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

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

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