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

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

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