Check Evidence in a Video Script

Separate factual claims, explanations and narrative devices in each section. Flag missing sources, causal leaps, timeline conflicts and potentially misleading visuals. Suggest replacement narration and a suitable visual type for each issue. Treat generated imagery as illustration, never as historical evidence.

Input material:
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Goal and constraints:
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Base the response on the input. Mark missing information as unknown and ask essential questions when needed. Make the output directly usable for this task.

把脚本逐段拆成事实主张、解释和叙事修辞。标出需要来源、因果跳跃、时间线冲突和画面可能误导观众的位置。为每处建议一句替换台词和合适的画面类型；生成画面只能作为示意，不描述为历史证据。

输入材料：
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目标与约束：
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只依据输入回答。缺少关键信息时明确标记未知，必要时先提问。输出应可直接用于当前任务。