In this sealed and closed chamber, with its close-fitting heavy door, he felt cut off from the world, and the sinister power of the arch-criminal seemed more real.
He was enclosed in a chamber, which made him feel shut out from the world.
mnli hypothesis: He was enclosed in a chamber, which made him feel shut out from the world. premise: In this sealed and closed chamber, with its close-fitting heavy door, he felt cut off from the world, and the sinister power of the arch-criminal seemed more real.