[Angela listens intently the entire time, nodding where appropriate and committing everything to memory. It's a bit complicated, sure, but it all makes scientific sense. And that means she can understand and master it - she wouldn't want to have to perform surgery on a troll, though. It would be a messy affair, to say the least.]

I see. I am sorry to hear that such a caste system developed in your world - especially one based off of something so far beyond your control. It seems you've handled yourself well enough, though.

[She smiles.]

Thank you for taking the time to explain all of this to me. I believe I have enough of an understanding to tell whether or not the scan is accurate about the state of your health. Unless you have anything else to add, we can begin when you are ready.