Task: Pos Tagging
Input (English): Sentence: All this emphasis on Centrality and on the number 5 as a symbolic expression of the Center , which seems to have begun as far back as 400 B.C. , also may {{ conceivably }} have led to the development of the Five-Elements School and the subsequent efforts to fit everything into numerical categories of five . 
Word: conceivably
Output (English): ADV