Mr. Smythe had been giving his second-grade students a short lesson on science. He had explained about magnets and showed them how they would pick up nails and other bits of iron.
A week later, the students are back in the science class with Mr. Smythe. Before he starts a new topic, he asks a question, “Who can tell me who I am? My name begins with the letter ‘M’ and I pick things up. Who am I?”
Before anyone could answer, Little Johnny shouted out, “You’re a mother?”