Task: Pos Tagging
Input (English): Sentence: The Constitution of the Southern `` Confederation '' differed from that of the Federal Union only in two important respects : It openly , defiantly , recognized slavery -- an institution which the Southerners of 1787 {{ , }} even though they continued it , found so impossible to reconcile with freedom that they carefully avoided mentioning the word in the Federal Constitution . 
Word: ,
Output (English): .