Read the passage as a focused narrative rather than a list of related facts. Read the narrative excerpt. A community archive received two unlabeled photographs that a donor believed were taken at the same parade. The dates matched, but storefront signs and street directions suggested that one photograph might show a different event. [One sentence is missing.] Researchers could use the images without mistaking a tentative connection for a fact. Naming the uncertainty preserved both the evidence and its limits. In the ambiguous archive photographs excerpt, which option completes the event without repeating the problem, jumping ahead, or starting a side discussion?