Sentence 1: Ann was giving her very first presentation at work. 
 Sentence 3: She had handwritten some points she wanted to make in the margin 
 Sentence 4:  After the meeting her boss told her she had one little error 
 Sentence 5:  She had handed out copies of the deck that included her notes 
 Given Sentence 2: Kristen was going to perform for the very first time.