This text introduces a summarization exercise designed to enhance the ability to create informative, concise summaries. The process involves identifying key entities that were omitted in previous summaries and incorporating them into a new summary that doesn't exceed the original's length, while aiming to include every detail and entity mentioned in the initial content. The exercise mandates repeating two primary steps five times: firstly, picking 1-3 missing informative entities from the content, and secondly, rewriting the summary to be as dense with information as the previous one but more concise and including the identified entities. The ultimate goal is to refine summarization skills by practicing the inclusion of specific, novel, and relevant entities without expanding the text's length, thus achieving a balance between brevity and informativeness.