instruction: Learn any topic related to physics in the Khan Academy app.

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{"name": "scroll", "parameters": {"direction": "down"}}
{"name": "scroll", "parameters": {"direction": "down"}}
{"name": "scroll", "parameters": {"direction": "left"}}
{"name": "scroll", "parameters": {"direction": "left"}}

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assistant: !FUNCTIONCALL{"name": "navigate_back", "parameters": {}}