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": "by_source_new", "description": "Fetch the most recent 50 news items from a specific source using the Moka News API.", "parameters": {"source": {"description": "The news source from which to retrieve the news items, taken from the available sources list.", "type": "str", "default": "cnn"}}}, {"name": "get_details_of_a_news_item", "description": "Fetches the details of a news item including the title, image, body, and other properties from the specified API using the provided parameters.", "parameters": {"is_id": {"description": "The unique identifier of the news item.", "type": "str", "default": ".196030"}, "title": {"description": "The title of the news item.", "type": "str", "default": "mai-nishikata-game-between-the-suits-manga-resumes-after-2-years"}, "date": {"description": "The publication date of the news item.", "type": "str", "default": "2023-03-17"}}}, {"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"}}}]
Fetch the most recent 50 news items from CNN, BBC, and Al Jazeera news sources.
user
assistant
[{"name": "by_source_new", "arguments": {"source": "cnn"}}, {"name": "by_source_new", "arguments": {"source": "bbc"}}, {"name": "by_source_new", "arguments": {"source": "al-jazeera"}}]