Oh, yes; they are identical. Poirot nodded, and gently taking the photographs from me locked them up again. 
These pictures are completely different, Poirot said as he tossed them onto the desk.
mnli hypothesis: These pictures are completely different, Poirot said as he tossed them onto the desk. premise: Oh, yes; they are identical. Poirot nodded, and gently taking the photographs from me locked them up again. 