In a puzzle, there are three boxes: A, B, and C. The following conditions apply: 1) Box A cannot contain item 1. 2) Box B must contain item 2 if box C contains item 3. 3) Box C can only contain item 1 or item 3. Which box must contain item 2?
Answer: B. Box B
If box C contains item 3, box B must contain item 2.