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