Situation: I am seated on a round table and there are two bookshelves on each of my side.
Alternative situations: I am sitting at the table. There is a bookshelf to the right of me. I am sitting at the table. There is a bookshelf to the right of me and one to the left. I am sitting in a chair at the table. There is a bookshelf to the right of me and one to the left. I sat at the table and ate lunch and there were chairs to the left and right of me. I placed the cup on top of the table and there were chairs to the right of me. I sat at the table and to my right was a bookshelf.
Question: What is in the center of the table in front of me?