If you want to analyze events and users across your business’s website, as well as its separate apps for iOS and Android — how should you set up your account?

One property with one web data stream for your website and two app data streams, one for iOS and the other for Android
One property with a web data stream for your website and one property with two app data streams, one for iOS and the other for Android
One property with one web data stream for your website and one app data stream for your app
One property with a web data stream for your website and one property with an app data stream for your app

The correct answer is:

One property with one web data stream for your website and two app data streams, one for iOS and the other for Android.