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": "vin_decoder_extended", "description": "Decodes the VIN (Vehicle Identification Number) and returns detailed information about the vehicle.", "parameters": {"vin": {"description": "The Vehicle Identification Number (VIN) to decode. Must be 17 characters long.", "type": "str", "default": "5YJ3E1EA6PF384836"}}}]
Decode the VIN '3VW8T7AJ7DM012345' and 'JTDKB20U993012345' to find out their model years and engine types.
user
assistant
[{"name": "vin_decoder_extended", "arguments": {"vin": "3VW8T7AJ7DM012345"}}, {"name": "vin_decoder_extended", "arguments": {"vin": "JTDKB20U993012345"}}]