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