Do you know, my friend, I remembered that earlier in the morning, when we had been there together, I had straightened all the objects on the mantel-piece. 
I had tried to tidy up the room, that morning we were there.
mnli hypothesis: I had tried to tidy up the room, that morning we were there. premise: Do you know, my friend, I remembered that earlier in the morning, when we had been there together, I had straightened all the objects on the mantel-piece. 