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

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

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