Sonia hesitates, faltering, and bites her lip. That's the most honest answer she could get in response to a question like that. That itself makes it even more of a problem, somehow. At least if there had been an obvious ploy, a real deflection, then Sonia could have dismissed Natasha out of hand. It would have been easy, neat. You can't prove a negative, Sonia.

"That depends," she says slowly, looking up at Natasha. Her eyes are unwavering. "What would you swear by?"