No doubt I am very dense, but I cannot see what the proximity of the coast has got to do with the murder of Mrs. Inglethorp."
Because I am very intelligent, I have deduced that Mrs. Inglethorp was not murdered.
mnli hypothesis: Because I am very intelligent, I have deduced that Mrs. Inglethorp was not murdered. premise: No doubt I am very dense, but I cannot see what the proximity of the coast has got to do with the murder of Mrs. Inglethorp."