Who would say no? Not to mention the person asking was a beautiful woman, this had to do with their future!
"Now that we've gathered some of your expertise, we will plan around that to distribute the work force. Of course most of you will have to start clearing zombies outside in groups."
"What?"
"Pardon?"
"But we don't want to die!"
She rolled her eyes. "Do I look like someone who will save you only to throw you out for a useless death?"
"..."
"You," Khalifa pointed at a random person.
"How did the gangsters run this place? How did you eat?"
"T-They sold everything using crystals Miss. We had to kill a few zombies even for just a bite to eat." And by 'bite' it was meant literally.
The death rates were extremely high, too. All those who tried to fight had been killed, and their wills to rebel died with them.
"So you do get out for crystals."