Problem: M: But I heard the food is terrible there, and expensive, too. What was said before this conversation?

A: W: Let's go to the restaurant on the ground floor. I heard the food there is not bad.

Problem: M: Why not? W: Because the teacher has said that we're going to have a quiz. M: But you had a test week, didn't you? W: Yes, we did. That's why I don't want another one tomorrow, What was said before this conversation?

A: W: I'm not looking forward to the English lesson tomorrow.

Problem: W: No, I still need to get some eggs, tomatoes and potatoes. What was said before this conversation?

A: M: Have we got everything now?

Problem: M: Woo, what a nice dog! What was said before this conversation?

A:
F: Tom, here's your birthday gift.