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

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

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