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": "treeequivalent", "description": "Calculate the number of trees required to create a given weight of paper.", "parameters": {"weight": {"description": "The weight of the paper.", "type": "str", "default": "200"}, "unit": {"description": "The unit of measurement for the weight (e.g., 'kg' or 'lb').", "type": "str", "default": "kg"}}}]
How many trees are required to produce 1 ton of paper?
user
assistant
[{"name": "treeequivalent", "arguments": {"weight": "1000", "unit": "kg"}}]