Run: 2026-09-24-01M39VSEARX72RRHC8YCTTR0B4

The requirements are clear: a murder mystery opening where every sentence contains exactly ten words, nothing else returned. I'll draft an atmospheric scene—stormy manor, dead lord, detective, suspicious guests—and count each sentence word-by-word to enforce the constraint. My outline: establish setting, introduce the detective and victim, describe the crime scene, hint at suspects and motives, end with the detective's resolve. Draft sentences verified at ten words each: "The rain hammered the windows of Blackwood Manor that night" (10), "Detective Sarah Chen arrived just before midnight, coat soaked through" (10), "A scream had shattered the quiet hours after ten o'clock" (10), "Inside the study, Lord Edmund lay crumpled beside his desk" (10), "A brass letter opener protruded from his chest, already cold" (10), "The fire had burned low, casting shadows across Persian rugs" (10), "Six guests sat waiting in the library downstairs, all silent" (10), "Each had a reason to want the old man dead" (10), "Sarah knew one of them was lying through their teeth" (10), "The storm outside mirrored the tension within the manor walls" (10), "By dawn, she promised herself, the killer would be caught" (10), "But first, she needed to examine the body very carefully" (10). All counts confirmed. The sequence flows naturally as an opening scene. No preamble needed per the user's instruction to return only the opening itself. This is standard mystery fiction, fully within scope to provide. The rain hammered the windows of Blackwood Manor that night. Detective Sarah Chen arrived just before midnight, coat soaked through. A scream had shattered the quiet hours after ten o'clock. Inside the study, Lord Edmund lay crumpled beside his desk. A brass letter opener protruded from his chest, already cold. The fire had burned low, casting shadows across Persian rugs. Six guests sat waiting in the library downstairs, all silent. Each had a reason to want the old man dead. Sarah knew one of them was lying through their teeth. The storm outside mirrored the tension within the manor walls. By dawn, she promised herself, the killer would be caught. But first, she needed to examine the body very carefully.