Voici les réponses:
Mary Cavendish:Poirot built card houses when he stood up
Inspector:"Did he told you anything in particular?
Mary Cavendish:"No,he didn't. He just went out. When I looked through the window I saw him in the street.
Inspector:"Why did he run?
Mary Cavendish:"I don't know. I asked him but he didn't answer me.
One thing is sure:he didn't behave as usual at that moment