Mrs. Galler had no idea about what happened and tried to say patiently, "Dear, what exactly happened? Why are you mad at me? I don't even know what happened? It's not fair."

As she said the last word, she felt irritated and annoyed and complained.

Mr. Galler pointed at the recording pen on the desk and said angrily, "Listen to the recording. Look at what your good girl does!"

Mrs. Galler picked up the recording pen in confusion. When it started to play, ...