Mesdames and messieurs, said Poirot, bowing as though he were a celebrity about to deliver a lecture, "I have asked you to come here all together, for a certain object. 
Poirot lectured only the men about the reason for the invitation.
mnli hypothesis: Poirot lectured only the men about the reason for the invitation. premise: Mesdames and messieurs, said Poirot, bowing as though he were a celebrity about to deliver a lecture, "I have asked you to come here all together, for a certain object. 