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_forest_area", "description": "Predicts the change in forest area over a specified number of years.", "parameters": {"location": {"description": "The geographic location for the prediction.", "type": "str"}, "num_years": {"description": "The number of years into the future to make the prediction.", "type": "int"}, "include_humans": {"description": "Whether to include the impact of human activities in the prediction. Defaults to False.", "type": "bool, optional"}}}, {"name": "project_population", "description": "Projects the population size after a specified number of years.", "parameters": {"current_pop": {"description": "The current population size.", "type": "int", "default": 1.2}, "num_years": {"description": "The number of years into the future to make the projection.", "type": "int", "default": 1.2}, "annual_growth": {"description": "The annual population growth rate as a percentage. Defaults to 1.2.", "type": "float, optional"}}}]
Predict the change in forest area in the Amazon Rainforest over the next 10 years, assuming human activities are included. Also, project the population of the US in 2050, assuming an annual growth rate of 0.8%.
user
assistant
[{"name": "predict_forest_area", "arguments": {"location": "Amazon Rainforest", "num_years": 10, "include_humans": true}}, {"name": "project_population", "arguments": {"current_pop": 331002651, "num_years": 30, "annual_growth": 0.8}}]