Describe a simple prompt design for generating ad copy with a generative AI model for a given audience and goal.

• A. Provide only a product name and rely on the model to generate everything else.
• B. Restrict the prompt to a single variant with no tone or objective.
• C. Request a long, generic prompt with no audience or constraints.
• D. Describe a simple prompt design by including audience persona, objective, tone, constraints, examples, and a request for multiple variants with performance signals.

Answer: (D)