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": "video_recommendation", "description": "Fetches a list of recommended videos based on a provided YouTube video ID.", "parameters": {"video_id": {"description": "The YouTube video ID for which recommendations are to be fetched.", "type": "str", "default": "Y_AJvHdgu9A"}}}, {"name": "v1_category", "description": "Fetches a list of trending categories from the Tokapi Mobile API using specified query parameters.", "parameters": {"count": {"description": "Number of categories to fetch. Defaults to 10.", "type": "int", "default": 10}, "offset": {"description": "Offset for pagination. Defaults to 0.", "type": "int", "default": 0}, "region": {"description": "Region code for filtering categories. Defaults to 'US'.", "type": "str", "default": "US"}}}]
Fetch 20 trending categories from the Tokapi Mobile API for the US region, offsetting the results by 20, and 10 recommended videos for a YouTube video with an ID of 'vwx234'.
user
assistant
[{"name": "v1_category", "arguments": {"count": 20, "region": "US", "offset": 20}}, {"name": "video_recommendation", "arguments": {"video_id": "vwx234"}}]