フリー問題

問題文

In a mob testing session a newcomer asks who decides the next action, who types it, and what the moderator may not do. Which option answers all three?

選択肢

1. The mob decides the following action, and the moderator types the unread suggestion, so the moderator temporarily assumes the vacant role except the moderator
2. The navigator decides the following action, and the driver types the collective instruction, so the moderator temporarily assumes the vacant role except the driver
3. The moderator decides the following action, and the observer types the agreed strategy, so the moderator temporarily assumes the vacant role except the observer
4. The driver decides the following action, and the navigator types the individual choice, so the moderator temporarily assumes the vacant role except the navigator