You saw your classmate at the concert. Next morning you meet that classmate by the lockers before your classes start. Start a small talk about the concert.
3 turns
You see your groupmate from a reading club which you both attend. You were reading one of Harry Potter books last time. There are a few minutes before the club starts. Start a small talk about the book club with your groupmate
3 turns
Your father has just come back home today after a business trip to Paris. Start a small talk with him about Paris.
2 turns