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": "air_quality_history", "description": "Fetches the past 24 hours of air quality observations for a specified geographic location.", "parameters": {"lat": {"description": "Latitude of the location for which to retrieve air quality data.", "type": "int", "default": "35.779"}, "lon": {"description": "Longitude of the location for which to retrieve air quality data.", "type": "int", "default": "-78.638"}}}, {"name": "list_of_all_countries", "description": "Retrieves a list of all countries, optionally in a specified language.", "parameters": {"lang": {"description": "The language code (e.g., 'en', 'fr', 'de') to retrieve country names in a specific language. Defaults to None.", "type": "str, optional", "default": ""}}}, {"name": "products_types_typeid_locations", "description": "Fetches a list of locations that have issued products for a given product type.", "parameters": {"typeid": {"description": "The ID of a valid product type.", "type": "str", "default": ""}}}]
List all countries in French and German.
user
assistant
[{"name": "list_of_all_countries", "arguments": {"lang": "fr"}}, {"name": "list_of_all_countries", "arguments": {"lang": "de"}}]