Task: Pos Tagging
Input (English): Sentence: John Lennon {{ 's }} divorce followed , as well as his entering the world of black magic , as deeply as to buy the apartment . where the " Rosemary 's baby " had been filmed , previous property of Roman Polansky , and in that same apartment John Lennon had a room upholstered with black silk where he used to do his black magic operations . 
Word: 's
Output (English): POS