Now Mrs. Cavendish is a very resolute woman, and, behind her mask of reserve, she was madly jealous of her husband. 
Mrs. Cavendish's husband was in fact a serial adulterer.
mnli hypothesis: Mrs. Cavendish's husband was in fact a serial adulterer. premise: Now Mrs. Cavendish is a very resolute woman, and, behind her mask of reserve, she was madly jealous of her husband. 