In a puzzle, there are four boxes labeled A, B, C, and D. The conditions are: 1) Box A cannot contain item 1 if box B contains item 2. 2) Box C must contain item 3 if box D contains item 4. Which of the following statements is true?

Answer: D. Box B cannot contain item 2 if box A contains item 1.
If box A contains item 1, then box B cannot contain item 2 according to the conditions.