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Carl: Hi, Lena. How’s life as a tour guide? Lena: I love it! It’s tiring and the hours are long, especially in summer, but I’m getting used to it. Carl: So what’s a typical day like for you? Lena: Well, every day is a little different. Sometimes I have to do a walking tour of the city and show my group places of interest. Other times, we go on a bus tour and see the sights that way. Carl: Do you usually have a lot of people in your group? Lena: Yes, there are usually about 50 people, so I