 What is Prantera referring to when he mentions a 'pressure cooker'?
He wondered, all over again, if this was some kind of pressure cooker. Whatever the something else was, a slot opened in the middle of the table and a glass, so clear of texture as to be all but invisible, was elevated. Reston-Farrell said, "Mr. Prantera, we have brought you from your era to perform a task for us." "That is why we brought you here, Mr. Prantera. "Mr. Prantera, have you ever heard of Ghengis Khan, of Tamerlane, Alexander, Caesar?" They are genii in their way, Mr. Prantera, genii of evil. Reston-Farrell said, "You know, that is one aspect we had not considered."
 a mental asylum
 a courtroom  an interrogation room  a mental asylum  a set-up