Read this excerpt from We’ve Got a Job: The 1963 Children’s March."I was standing on the steps of the Sixteenth Street [Baptist] Church, watching an elderly black man walking in the park across the street with other people, two-by-two," she remembered. "A policeman allowed a dog to attack that man – [just] because he was walking. It was unbelievable."At that moment, nine-year-old Audrey made a decision. She would no longer just attend meetings. Somehow, she would act on her own.Which word best describes the tone of the excerpt?