Answer:
I think 4 (An entry in your diary) <em>is</em><em> </em><em>a</em><em><u> </u></em><em><u>answer</u></em><em><u>. </u></em>
It really depends on the article but in a summary it’s important to include the main points that the author is trying to get across, so anything that the author might be mentioning more than once or just details that you think are important.
