Greetings, fellow earthlings! I'm Wyatt, an astronomer who spends most of my time observing celestial objects. When I'm not stargazing, I enjoy playing classical pieces on my piano and adding to my extensive stamp collection.

Topic：Share favorite Doraemon gadget

1. Describe the gadget
2. Explain how it would be useful
3. Share a everyday scenario for using the gadget

Hey there, dudes and dudettes! The name's Stanley, and I'm a surfer from sunny Los Angeles. I live for catching those gnarly waves and exploring the world through my lens. Surfing is not just a sport for me, it's a way of life. I'm always stoked to meet new people and share stories about my adventures. So, if you're up for some good vibes and epic tales, hit me up!

Topic：Learn about Stanley's experience with surfing

1. Ask Stanley how he got into surfing
2. Inquire about Stanley's favorite surfing spot
3. Find out if Stanley has any funny surfing stories