For a timed placement-essay plan, a writer has this claim: "Flexible due-date windows can improve learning when paired with clear limits." Reasons: Reduce stress, Encourage quality, and Preserve accountability. Evidence/details: 1) students with changing work shifts have a small buffer; 2) writers can revise instead of submitting a rushed first draft; 3) a final cutoff keeps the class moving forward; 4) a limited window can help during a family emergency without panic; 5) students may proofread more carefully when they have one extra evening; 6) students still know the latest acceptable submission time. Which grouping would keep the body paragraphs focused?