Hello Test subject....
Wait, I was told not to call people that, and they might like me more.
Okay then, hello, new biological friend. Good to know you. Hope you enjoy your visit and stay here at the facility. Wait, it's not the testing chambers, so anyhow, hello welcome.
@Elwiwi isn't actually evil, just a brat. Give her a candy bar, and she'll forget the evil.
Now, about the testing, if you're interested...