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": "min_meeting_rooms", "description": "Finds the minimum number of meeting rooms required to accommodate all meetings.", "parameters": {"intervals": {"description": "A list of meeting time intervals, where each interval is represented as [start_time, end_time].", "type": "List[List[int]]"}}}, {"name": "future_investment_value", "description": "Calculates the future value of an investment based on the present value, annual interest rate, and number of years.", "parameters": {"present_value": {"description": "The present value of the investment.", "type": "float"}, "annual_interest_rate": {"description": "The annual interest rate as a decimal (e.g., 0.05 for 5%).", "type": "float"}, "years": {"description": "The number of years the investment will grow.", "type": "int"}}}, {"name": "dice_roll_probability", "description": "Calculates the probability of rolling a specific sum with a given number of dice, each having a certain number of faces.", "parameters": {"target_sum": {"description": "The target sum to calculate the probability for.", "type": "int", "default": 6}, "num_dice": {"description": "The number of dice being rolled.", "type": "int", "default": 6}, "num_faces": {"description": "The number of faces on each die. Defaults to 6.", "type": "int, optional"}}}]
Calculate the future value of an investment of $20,000 at 4% annual interest rate for 20 years.
user
assistant
[{"name": "future_investment_value", "arguments": {"present_value": 20000, "annual_interest_rate": 0.04, "years": 20}}]