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": "top_news", "description": "Fetch the top latest news articles from CoinDesk.", "parameters": {"num": {"description": "The number of news articles to fetch. By default, it is set to 5.", "type": "int, optional", "default": "5"}}}]
Provide me with the top 2 news articles from CoinDesk for a quick update.
user
assistant
[{"name": "top_news", "arguments": {"num": 2}}]