Siri is a powerful, smart, and ever-learning personal assistant that aims to give natural responses to natural speech input. This means that there is often more than one way to say something to Siri. Some users like to be extremely polite when they talk to Siri, saying please and thank you whenever they ask for something. Other users like to be short and to the point; they simply tell Siri what they want and that's it.

This means that Siri has to be really smart about how it interprets language and how it converts the user's requests to actionable items. Not only does Siri take into account the language used; it's also aware of how a user is using Siri. If a user activates Siri by saying Hey, Siri!, Siri will be more vocal and verbose than when a user activates Siri by pressing and holding the home or side buttons because it's more likely...