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

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

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