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

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

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