Vectors, Vectors In Space, NLP, Euclidean.
https://www.technologyreview.com/2015/09/17/166211/king-man-woman-queen-the-marvelous-mathematics-of-computational-linguistics/#:~:text=The%20easiest%20way%20to%20think,the%20vector%20associated%20with%20queen. These word embeddings based models suggest that the algorithm has actually captured