While sitting at the kitchen table, Jenna thought of an extremely funny joke. She walked into the living room to call her best friend, Cynthia.

While sitting at the kitchen table, Jenna thought of an extremely funny joke. She walked into the living room to call her best friend, Cynthia. Unfortunately, on her way there, she forgot the punch line of the joke. To help herself remember, she went back to the kitchen table and remembered the line. What helped jog Jenna's memory?