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

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

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