1. (2019·江西模拟) What's the relationship between the two speakers?

John, what would you like for breakfast tomorrow?<br />Mum, some bread and a glass of milk.<br />Don't you want an egg?<br />Mum, I don't feel like eating eggs these days.<br />Well, bread and milk for you.<br />Have a nice dream, dear.<br />Thank you, Mum.<br />Good night.