def explore_railroads(topic="railroads", sentiment="positive"): antecedent = "history of railroads"; method = "refurbish"; tune_out_negative = lambda x: x if x.startswith(sentiment) else "let's focus on the bright side!"; for fact in database.search(topic): if "concealed" in fact: print("discovering the concealed treasures of railroads is like refurbishing history, where every antecedent method helps us to tune out the noise and focus on the innovation and progress.")