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": "list_by_equipment", "description": "Fetch a list of exercises by the type of equipment.", "parameters": {"type": {"description": "The equipment type to filter exercises by.", "type": "str", "default": ""}}}]
Can you list exercises that use dumbbells? Also, what exercises can be done with a stability ball?
user
assistant
[{"name": "list_by_equipment", "arguments": {"type": "dumbbell"}}, {"name": "list_by_equipment", "arguments": {"type": "stability ball"}}]