There are three boxes: one contains only apples, one contains only oranges, and one contains both apples and oranges. Each box is labeled incorrectly. You can pick one fruit from one box. Which box should you choose to correctly label all boxes?
Five students: A, B, C, D, and E, participated in a quiz competition. A scored more than B but less than C. D scored less than E but more than A. Who scored the highest?