Read the excerpt from "The Red-Headed League."We waited for a little over an hour, but it seemed much longer. We sat in the dark without moving. Suddenly my eyes saw a small light on the stone floor. Then the light grew bigger. And then, without any sound, a hole opened in the floor and a hand came through. A head came through next. A moment later, Vincent Spaulding and Duncan Ross were standing next to the hole. Which story element in the excerpt would readers most likely relate to their own lives?