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

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

*GRAMMAR*
dax -> YELLOW 
 kiki -> RED 
 tufa -> PINK 
 fep -> PURPLE 
 u1 wif -> [u1] [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 