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": "item_by_id", "description": "Fetch an item from the Hacker News API by its unique ID.", "parameters": {"is_id": {"description": "The unique identifier of the item to retrieve.", "type": "str", "default": "10000"}}}, {"name": "companies_id_financials_exists", "description": "Checks if financial key figures for a company with the given identifier are available and returns the list of years for which these figures are available.", "parameters": {"is_id": {"description": "The identifier of the company to check for financial data.", "type": "str", "default": "DEVFCLQFW054"}}}, {"name": "house_prices_get_sales_history", "description": "Retrieve the sales history for a given property using the Zoopla API.", "parameters": {"property_id": {"description": "The identifier for the property for which to retrieve the sales history.", "type": "int", "default": "27175510"}}}, {"name": "list_target_languages", "description": "Retrieves a paginated list of target languages from the API.", "parameters": {"page": {"description": "Return search results starting at a given page. Defaults to 1.", "type": "int, optional", "default": "1"}, "per_page": {"description": "Number of entries to be returned per page. Only values between 1 and 100 (inclusive) are allowed. Defaults to 100.", "type": "int, optional", "default": "100"}}}]
Retrieve the items with IDs 98765432 and 11111111 from the Hacker News API and check if financial data is available for companies with identifiers DEF456 and GHI789.
user
assistant
[{"name": "item_by_id", "arguments": {"is_id": "98765432"}}, {"name": "item_by_id", "arguments": {"is_id": "11111111"}}, {"name": "companies_id_financials_exists", "arguments": {"is_id": "DEF456"}}, {"name": "companies_id_financials_exists", "arguments": {"is_id": "GHI789"}}]