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": "ev", "description": "Fetch data from the EV API with optional pagination support by specifying the page number.", "parameters": {"page": {"description": "The page number for pagination, default is 2.", "type": "int, optional", "default": "2"}}}]
Fetch the fourth page of data from the EV API.
user
assistant
[{"name": "ev", "arguments": {"page": 4}}]