Eight-year-old Sally brought her report card home from school. Her marks
were good...mostly A's and a couple of B's. However, her teacher had
written across the bottom:

"Sally is a smart little girl, but she has one fault. She talks too much
in school. I have an idea I am going to try, which I think may break her
of the habit."

Sally's dad signed her report card, putting a note on the back:

"Please let me know if your idea works on Sally because I would like to
try it out on her mother."