Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Penelope Garcia:  Derek Morgan , this is the 67th message that I have left you , and if you do not call me back , I will have no choice but to show everyone that nude photo of you from art class , and not the good _ one _ , either . I 'm being serious . What were you and Kevin talking about yesterday ? I 'm freaking out here . Please , call me back . Bye .

photo