Відповідь:

Пояснення: Student A: What about this one?

Student B: It looks like a man is painting a wall with a roller brush.

Student A: What are these people doing in the picture?

Student B: They seem to be having a picnic in the park. They're sitting on a blanket and there's a basket of food beside them.

Student A: What's happening in this picture of the beach?

Student B: There are a lot of people sunbathing and swimming in the ocean. Some people are playing beach volleyball in the background.

Student A: What about this one of the city?

Student B: It's a busy street with a lot of people and cars. There are tall buildings in the background, so it looks like a city center.