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": "tag_news", "description": "Fetch the latest news stories for a given tag using the BizToc RapidAPI.", "parameters": {"tag": {"description": "The tag for which to fetch the latest news stories.", "type": "str", "default": "apple"}}}]
Retrieve the latest news stories for tags 'climate change' and 'renewable energy'.
user
assistant
[{"name": "tag_news", "arguments": {"tag": "climate change"}}, {"name": "tag_news", "arguments": {"tag": "renewable energy"}}]