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

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

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