Topham took a chained key from the pocket of his fancy vest and went to fit it into a lock concealed in the carved foliage of the cupboard.
Topham didn't have a key,so he could not open the cupboard.
mnli hypothesis: Topham didn't have a key,so he could not open the cupboard. premise: Topham took a chained key from the pocket of his fancy vest and went to fit it into a lock concealed in the carved foliage of the cupboard.