Argument-planning exercise: A student considers the proposal that large events should require reusable cups. Perspective 1: The policy is worthwhile because events can reduce trash from hundreds of single-use cups. Perspective 2: The policy should be rejected because washing, deposits, and lost cups can complicate operations. Perspective 3: The policy could work if organizers plan collection stations and clear return incentives. The writer wants notes that can guide a thesis and body paragraphs. Which plan uses a complication as part of the argument instead of ignoring it?