Willingly. He picked up his little suit-case, and we went out through the open window in the drawing-room. 
He left his suit-case on the floor, and we went out through the door.
mnli hypothesis: He left his suit-case on the floor, and we went out through the door. premise: Willingly. He picked up his little suit-case, and we went out through the open window in the drawing-room. 