Sweet Butter

So I'm in study hall the other dayand this first grader is working on his phonics homework. There is a short paragraph then he had to answer questions pertaining to the paragraph. Well this little story was about sweet butter. That's all you need to know to get this story. He brings me his work to check and the question on the worksheet reads "what did Sally ask for?" His answer...sweet butt. I'm not even kidding!! It was a simple mistake, he forgot to write the -er at the end. But I wanted to laugh so hard!