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": "predict_evolution_rate", "description": "Predict the evolutionary rate for a specific species for a given timeframe.", "parameters": {"species": {"description": "The species that the evolution rate will be predicted for.", "type": "str", "default": "Darwin"}, "years": {"description": "Number of years for the prediction.", "type": "int", "default": "Darwin"}, "model": {"description": "The model used to make the prediction, options: 'Darwin', 'Lamarck', default is 'Darwin'.", "type": "str"}}}, {"name": "project_investment_growth", "description": "Projects the growth of an investment over a specified number of years.", "parameters": {"principal": {"description": "The initial investment amount.", "type": "float", "default": true}, "annual_addition": {"description": "The amount added to the investment annually.", "type": "float", "default": true}, "years": {"description": "The number of years to project the investment growth.", "type": "int"}, "return_rate": {"description": "The annual return rate as a decimal (e.g., 0.07 for 7%).", "type": "float"}, "inflation": {"description": "A list of annual inflation rates as decimals.", "type": "List[float]"}, "inflation_adjusted": {"description": "Whether to adjust the final value for inflation. Defaults to True.", "type": "bool, optional"}}}]
Predict the evolutionary rate for an eagle and a shark for the next 20 years using Darwin's model, and for the next 15 years using Lamarck's model.
user
assistant
[{"name": "predict_evolution_rate", "arguments": {"species": "eagle", "years": 20, "model": "Darwin"}}, {"name": "predict_evolution_rate", "arguments": {"species": "shark", "years": 20, "model": "Darwin"}}, {"name": "predict_evolution_rate", "arguments": {"species": "eagle", "years": 15, "model": "Lamarck"}}, {"name": "predict_evolution_rate", "arguments": {"species": "shark", "years": 15, "model": "Lamarck"}}]