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": "estimate_market_value", "description": "Estimates the market value of a car given its VIN and optionally its mileage using the Toolbench RapidAPI service.", "parameters": {"vin": {"description": "The Vehicle Identification Number of the car.", "type": "str", "default": "5N3AA08D68N901917"}, "mileage": {"description": "The current mileage of the car. Defaults to 50,000 if not specified.", "type": "int, optional", "default": "50000"}}}, {"name": "singleoffer", "description": "Fetches information for a single offer from the Avito API.", "parameters": {"singleav": {"description": "The identifier for the single offer to fetch information about.", "type": "str", "default": "https://www.avito.ma/fr/autre_secteur/maisons_et_villas/Villa_OCP_4_faces_sur_550_metre_de_terrain_49107436.htm"}}}]
I want to know the market value of a car with VIN 2FMDK38CXYBA23456 and 60000 miles. Additionally, I need information about an Avito offer with the ID 987654321.
user
assistant
[{"name": "estimate_market_value", "arguments": {"vin": "2FMDK38CXYBA23456", "mileage": 60000}}, {"name": "singleoffer", "arguments": {"singleav": "987654321"}}]