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": "imperial_pounds", "description": "Calculates the Body Mass Index (BMI) of an individual using the imperial measurement system through an API.", "parameters": {"weight": {"description": "The weight of the individual in pounds (lbs).", "type": "int", "default": "150"}, "height": {"description": "The height of the individual in inches (in).", "type": "int", "default": "68"}}}, {"name": "bmi", "description": "Calculates the Body Mass Index (BMI) using given weight and height, optionally specifying the measurement system.", "parameters": {"weight": {"description": "Weight of the individual.", "type": "int", "default": "86"}, "height": {"description": "Height of the individual.", "type": "int", "default": "184"}, "system": {"description": "Measurement system, either 'metric' (kg/m^2) or 'imperial' (lbs/in^2). Defaults to 'metric'.", "type": "str, optional", "default": "metric"}}}, {"name": "hoscoscope", "description": "Retrieves the horoscope for a specific sign and date using the Horostory API.", "parameters": {"date": {"description": "The date for which to retrieve the horoscope, formatted as 'YYYY-MM-DD'.", "type": "str", "default": ""}, "sign": {"description": "The astrological sign for which to retrieve the horoscope.", "type": "str", "default": ""}}}]
Calculate the BMI for someone who weighs 70 kilograms and is 1.80 meters tall using the metric system. Additionally, can you find out the horoscope for a Virgo on August 15, 2023?
user
assistant
[{"name": "bmi", "arguments": {"weight": 70, "height": 180, "system": "metric"}}, {"name": "hoscoscope", "arguments": {"date": "2023-08-15", "sign": "Virgo"}}]