[{"对话1":"A: Hi, Bob. How was your day? B: Not too bad. I had a meeting with a client this morning. How about you? A: I had a presentation. It went well, though. B: Great! Let's grab a coffee and relax a bit."},{"对话2":"A: Hey, Sarah. Do you have any plans for the weekend? B: Yeah, I'm going to visit my grandparents. A: That's nice. Do you usually visit them often? B: Not as much as I'd like to. But I try to make it a monthly thing."},{"对话3":"A: Good morning, Tom. How's your preparation for the accounting exam? B: It's going okay, but there's still a lot to study. A: Don't worry, you've got this. Just keep practicing those questions. B: Thanks, Jane. Your support really helps."}]