An officer is instructed to observe a protest gathering. The instructions are to note the number of participants, any identifying symbols on signs, and the sequence of speakers at the podium. After 30 minutes, the officer is relieved and asked to recall their observations. They remember seeing approximately 150 people, signs with a clenched fist symbol, and that a woman in a red jacket spoke after a man with a blue hat. Which of the following details was the officer specifically instructed to recall?