Therefore it must have been Mrs. Cavendish who entered the deceased's room through the door communicating with Mademoiselle Cynthia's room." <SEP> Mrs Cavendish must have entered the room through a window.
Therefore it must have been Mrs. Cavendish who entered the deceased's room through the door communicating with Monsieur Cynthio's room. <SEP> "Mrs. Cavendish must have entered the room through a window."