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": "get_cities", "description": "Fetches a list of cities from the 50k Radio Stations API, optionally filtered by country ID and keyword.", "parameters": {"country_id": {"description": "Filter cities by country ID. Defaults to None.", "type": "int, optional", "default": "63"}, "keyword": {"description": "Filter cities by keyword. Defaults to 'Jakarta'.", "type": "str, optional", "default": "Jakarta"}}}]
What are the cities in Brazil that contain the term 'River' in their name?
user
assistant
[{"name": "get_cities", "arguments": {"country_id": 76, "keyword": "River"}}]