In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.
Example: Article: Homework can put you in a bad mood , and that might actually be a good thing. Researchers from the University of Plymouth in England doubted whether mood might affect the way kids learn. To find out the answer, they did two experiments with children. The first experiment tested 30 kids. Someshapes were hidden inside a different, larger picture. The kids had to find the small shapes while sitting in a room with either cheerful or sad music playing in the background. To test their mood, the scientists asked the kids to point to one of five faces, from happy to sad. Children who listened to cheerful music tended to point to the smiley faces while the others pointed to the unhappy ones. The researchers found that sad kids took at least a second less to find the small shapes. They also found an average of three or four more shapes. In the second experiment, 61 children watched one of two scenes from a film. One scene was happy, and the other was sad. Just like in the first experiment, kids who saw the sad scene acted better compared to the others. The researchers guessed that feeling down makes people more likely to focus on a problem or difficult situation. Not all scientists agree with them, however. Other studies argued that maybe, that cheerful music in the first experiment distracted kids from finding shapes. While scientists work on finding out the answers, it still might be wise to choose when to do your tasks according to your mood. After eating a delicious ice cream, for example, write an essay.
Question: Researchers did experiments on kids in order to find out _ .
Options: (A) how they really feel when they are learning (B) whether mood affects their learning ability (C) what methods are easy for kids to learn (D) the relationship between sadness and happiness
Example solution: B
Example explanation: It is clearly mentioned in the article that to the check effect of mood on children is the main purpose of the experiment. So, B is the correct answer.

Problem: Article: When many of us take a vacation, more than anything, we seek to relax. We spend long, lazy days on a beach chair or in a hammock . But too often, we return home, very very tired. It doesn't have to be this way. Come home _ after an active trip! And you won't be too tired! Active vacations are often the most relaxing ones of all. We don't expect you to take up jogging or backpacking. Rather, we ask the sedentary vacationers to spend two to four hours a day doing things, such as walking in city streets, going to a zoo or biking beside the ocean. These kinds of activities aren't just good for your physical health. They improve your mental health and even your spiritual health. And they make vacations memorable and worthwhile. Here are some fresh ideas to make your vacations as pleasurable as they are active and healthy. *A walk at dawn or dusk can make you feel or look young again. Try to make this a daily thing that is done regularly. *Don't allow yourself to spend all your time sitting in front of the water. *Many of us spend a large part of our vacations on the road, either getting to and from our destinations, or using the car for sightseeing. But no matter how beautiful the scenery is, great memorable vacations don't happen in a car seat.
Question: What is the purpose of the passage?
Options: (A) To introduce the relationship between vacations and health. (B) To show us how to make our vacations relaxing. (C) To tell us where we should go for our vacations. (D) To explain to us why vacations can sometimes be boring.
Solution: B