Task: Pos Tagging
Input (English): Sentence: To help him on this religious aspect of primitive jazz he had `` Big '' Miller , as a preacher-singer and Hannah Dean , Gospel-singer , while Oscar Brown Jr. , an extremely talented young man , did a slave auctioneer's call , a field-hands' work song , and a beautifully sung Negro lullaby , `` Brown Baby '' , which was one {{ of }} the truly moving moments of the festival . 
Word: of
Output (English): ADP