"Then don't." Amy's voice is as steady as she can make it. "If you don't want to, then don't. They put you in here, they're making you choose, but it's your choice, you understand? It's your choice."

And she's trying to tell it to herself, at the same time.

She knows what her dad would have done. Hunted everyone else down, one by one. It's in his nature. He's a monster.