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

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

*GRAMMAR*
fep -> RED 
 lug -> BLUE 
 wif -> YELLOW 
 zup -> PINK 
 u1 gazzer u2 -> [u2] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 