B) Motor homes<|im_end|>

 Based on the information provided, the correct answer is B) Motor homes.

Here's a breakdown of the information:

* Americans with small families own a car, and if both parents are working, they usually have two cars.
* When the family is larger, they will sell one of the cars and buy a van.
* A van can hold seven persons easily, so a family with three children can ask their grandparents to go on a holiday travel together.
* Americans call vans motor homes and use them for holidays.

Therefore, the correct answer is B) Motor homes.<|im_end|>

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You are an AI assistant that follows instruction extremely well. Help as much as you can.<|im_end|>
<|im_start|>user
Q:Americans with small families own a car. If both parents are working , they usually have two cars. When the family is larger, they will sell one of the cars and buy a van . A small car can hold four persons and a large car can hold six persons but it is very crowded. A van can hold seven persons easily, so a family with three children can ask their grandparents to go on a holiday travel. They can all travel together. Mr. Hagen and his wife had a third child last year. So they sold their second car and bought a van. They thought it would be more convenient for them to go out together. Americans call vans motor homes. They always use them for holidays. When a family is traveling to the mountains or to the seaside, they can live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular. Americans also call vans  _  . A) Motor cars B) Motor homes C) Motorbikes D) motor trucks
A:<|im_end|>
<|im_start|>assistant
