Please answer the following question: Trends is a science fiction short story by Isaac Asimov. It was first published in the July 1939 issue of Astounding Science Fiction and was reprinted in The Early Asimov (1972). Trends was the tenth story written by Asimov the third to be published and the first to appear in Astounding then the leading science fiction magazine. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Written Work