The company once assembled, Poirot rose from his seat with the air of a popular lecturer, and bowed politely to his audience. 
Poirot rose gracefully from his seat, and bowed to the audience.
mnli hypothesis: Poirot rose gracefully from his seat, and bowed to the audience. premise: The company once assembled, Poirot rose from his seat with the air of a popular lecturer, and bowed politely to his audience. 