Read the passage. Recently a friend said she had seen Rosa at a local park, but Rosa had never been to that park. That was odd! Later, Rosa was reading an article in a newspaper and noticed a picture of a person who looked just like her. She thought she had to be mistaken and looked again. It was then Rosa knew she had a doppelgänger in town. Which clue from the text is most helpful for determining the meaning of doppelg ä nger ?