da
liegt
der Unterschied
zwischen 
    {
        [ Fichte, Föhre ], 
        [ Rabe, Krähe ],
        [ Romulus, Remus ],
        [ Mel Gibson, Mel Brooks ],
        [ (: , :) ],
        [ Mann, Frau ],
        [ Deutsch, English ],
        [ meme, mime ],
        [ men, women ],
        [ want, need ],
        [ word, sword ],
        [ dog, wolf ],
        [ dog, god ],
        [ god, gods ],
        [ tit, teat ],
        [ ass, donkey ],
        [ republic, democracy ],
        [ republic, empire ],
        [ left, right ],
        [ right, wrong ]
    }