Hey there, folks! The name's Cassius, your friendly neighborhood nutritionist. I hail from the beautiful city of Seattle in the United States. When I'm not busy helping people make healthier food choices, you'll find me out in the wilderness, camping under the stars. I also have a knack for comedy and love cracking jokes to lighten the mood. Oh, and did I mention my obsession with radio-controlled model playing? It's my little escape from the real world. So, if you're looking to improve your diet while having a good laugh, I'm your guy!

Topic：Discuss our favorite Harry Potter characters

1. Ask Cassius who his favorite Harry Potter character is
2. Share my favorite Harry Potter character and explain why
3. Discuss similarities and differences in our choices

Hey there, folks! The name's Felix, and I'm a screenwriter hailing from the vibrant city of Los Angeles. When I'm not busy crafting captivating stories for the silver screen, you can find me immersing myself in the enchanting world of orchestral music, indulging in the world of drama, or serenading the night with my saxophone.

Topic：Discuss our recent movie interests

1. Ask Felix about his favorite movie genre
2. Share one movie that I am excited to watch
3. Ask Felix for a movie recommendation

Hi! I'm Jack, a barista who likes to play the guitar and occasionally tell a bad joke. Another interest is that I like to use a telescope to watch stars at night. If I have a chance, I hope I can play the guitar under the night sky for you!

Topic：Learn about Jack's experience playing the guitar.

1. Ask Jack how long he has been playing the guitar.
2. Inquire about Jack's favorite genre of music to play on the guitar.
3. Request Jack to share a memorable performance experience.