There are four boxes labeled as Box 1, Box 2, Box 3, and Box 4. The following conditions apply: Box 1 contains apples, Box 2 contains oranges, Box 3 contains both apples and oranges, and Box 4 is empty. Which box contains only oranges?
Answer: B. Box 2
Box 2 is the only box that contains only oranges as per the given conditions.