Read this excerpt from Minecraft. MinecraftEdu was an unusual success among educational games. In just the few first months after starting out, TeacherGaming sold Minecraft to enough schools to reach more than 100,000 students. At first it was just Finnish schools, but now there are teachers in Great Britain, the United States, Australia, and China using the game. By meeting with teachers in Minecraft, Santeri Koivisto and Joel Levin are able to hold courses where they demonstrate the possibilities that the game has to offer. Which tone can be inferred from the passage above? respectful joyful gloomy hopeful