A: Hello! B: Hi! A: Are you busy? B: I'm not busy, and you? A: I'm not busy, either. Is your older brother busy? B: He is very busy. My younger brother is also very busy. My older brother and my younger brother are both very busy. A: They are very busy. Are they OK? B: They are both fine. Is your older brother also fine? A: He is very well, thank you.