I opened my eyes a little and smiled.
"That is a flattering solution," I said, "but if I may venture to say so, it seems rather a bold inference."
"I'm certain it's right," she said confidently. "Did you speak to Jock?"
"Yes, I had a little talk with him; that's to say of course I did all the talking."
"In your natural voice?"
"Latterly I did," I admitted.
"Were you far from the wall above the beach."
"Not very."
"And I suppose there were lots of rocks about?"
"The usual supply."