A. “I don’t remember.”
Q. “After you saw this man with the black beard, tell us what happened then.”
A. “I was busy in the kitchen arranging the sandwiches.”
Q. “What time was this?”
A. “About nine o’clock.”
Q. “Did you hear any sounds in the house while you were thus busy?”
A. “No, sir.”
Q. “Well, go on, then. Tell us what happened.”
A. “I don’t know.”
Q. “If there had been any sounds in the library, sounds such as might be made by a violent struggle, would you have heard them from where you were?”