应用: 哔哩哔哩
任务: 打开哔哩哔哩，找到‘历史的长河’纪录片，发表评论‘学到了很多历史知识’
操作步骤:
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action: CLICK
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action: CLICK
step_id: 2
action: TYPE
type_text: 历史的长河
step_id: 3
action: CLICK
step_id: 4
action: CLICK
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action: CLICK
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action: CLICK
step_id: 7
action: TYPE
type_text: 学到了很多历史知识
step_id: 8
action: CLICK
step_id: 9
action: STOP