A: Robert, do you have plans for the weekend? B: I have nothing definite planned. A: Saturday is Mary's birthday, and we are throwing her a party. B: Sure, I could come to her party. Where are you going to have it? A: It's going to be a pool party at Jay's apartment building. B: That sounds like fun. Is it a potluck? A: We would like for people to help us by bringing side dishes and drinks. B: The dress will be casual then? A: Make sure to bring your bathing suit, and dress casually. B: Sounds great. Just drop me an e-mail with the time you've picked.