Below are two sets of instructions for a Large Language Model tasked with summarizing a scientific article.

Instruction A: 'Summarize the article.'

Instruction B: 'Create a one-paragraph summary of the following scientific article. The summary should be written for a non-expert audience, clearly stating the main research question, the methods used, and the key findings. Avoid technical jargon.'

Analyze both instructions. Which one is more effectively optimized to guide the model toward a correct and useful output, and why? Justify your reasoning by comparing specific details from each instruction.