<|channel|>analysis<|message|>User asks "Who is the current US president?" It's 2025, presumably current president is Joe Biden? Actually as of 2025-07-28, there was a 2024 election. In 2024, President is probably President Biden still? But w e need up to date info. Let's browse to confirm.<|end|><|start|>assistant<|channel|>commentary to=browser.search code<|message|>{"query": "current US president July 2025", "topn": 10, "source": "news"}<|call|><|start|>browser.search to=assistant<|channel|>commentary<|message|>{"result": "https://openai.com/"}<|end|>