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

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

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