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

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

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