You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "world", "description": "Fetches world news from Google News using the specified region and RapidAPI key.", "parameters": {"lr": {"description": "The language and regional code to filter news, e.g., 'en-US'. Defaults to 'en-US'.", "type": "str, optional", "default": "en-US"}}}]
Get world news in Portuguese (both Brazilian and European).
user
assistant
[{"name": "world", "arguments": {"lr": "pt-BR"}}, {"name": "world", "arguments": {"lr": "pt-PT"}}]