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": "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"}}}]
Could you please fetch the top 20 trending categories in the US, starting from the 10th category? Also, could you do the same for Canada, but only get the first 15 categories?
user
assistant
[{"name": "v1_category", "arguments": {"count": 20, "offset": 10, "region": "US"}}, {"name": "v1_category", "arguments": {"count": 15, "offset": 0, "region": "CA"}}]