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

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

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