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 Input: Article: Different kinds of soil conservation methods are used by farmers to protect their land from damage by farming and the forces of nature. One important form of soil conservation is the use of windbreaks. Windbreaks are barriers formed by trees and other plants with many leaves. Farmers plant them in lines around their fields. Windbreaks stop the wind from blowing soil away. They also keep the wind from destroying or damaging crops. They are very important for growing grains, such as wheat. There have been studies done on windbreaks in parts of West Africa, for example. They found that grain harvests can be twenty percent higher in fields protected by windbreaks compared to fields without such protection. However, windbreaks seem to work best when they allow a little wind to pass through. If the wall of trees and plants stops wind completely, then violent air motions will take place close to the ground. These motions will lift soil into the air where it will be blown away. For this reason, a windbreak is best if it has only sixty to eighty percent of the trees and plants needed to make a solid line. There should be at least two lines in each windbreak. One line should be large trees. The second line, right next to it, can be shorter trees and other plants with leaves. Locally grown trees and plants are best for windbreaks.
Question: What is a windbreak according to the passage?
Options: (A) A windbreak is a concrete wall to prevent the strong winds. (B) A windbreak is a wood with different kinds of trees. (C) A windbreak is a wall of trees to hold soil in place. (D) A windbreak is a wall of wind to fight wind from the opposite way.
Example Output: C

Example Input: Article: As the new semester begins, millions of college students across the country are trying hard to remember how best to write a paper or, more likely, how best to delay that paper. Procrastination is the thief of time and a lot of students suffer from it. They can spend whole days in the library doing nothing but staring into space, eating snacks, surfing the Internet, watching videos and looking at other students sitting around them, who, most likely, are doing nothing either. Paralyzed by their habit to procrastinate, they write micro blogs about their fears, asking their online friends if they sometimes have the same issue. But this does nothing to break the spell . According to a recent report, 95 percent of us procrastinate at some point and 20 percent of the world's population are always procrastinating. The figures are disappointing. Procrastinators are less wealthy, less healthy and less happy than those who don't delay. Procrastinators like to find excuses to justify their behavior, but BBC columnist Rowan Pelling says they are all wrong. Many procrastinators tell themselves they are perfectionists who work best under pressure. Pelling says this is nonsense, as work done at the last minute is more likely to have mistakes than work done on time. The behavior of procrastinators often makes them feel ashamed, inconveniences others and annoys loved ones. Pelling also points out that procrastination feels particularly delinquent in a society that thinks of speedy action as admirable, and, at times, even as a moral good. Fortunately, social scientists have thrown their weight behind efforts to understand this behavioral mistake and offer strategies to control it. Piers Steel, a Canadian social scientist and author of The Procrastination Equation, believes human is "designed" to procrastinate. Nevertheless, he suggests a couple of good ways to get through the task at hand.
Question: Which behavior belongs to procrastination?
Options: (A) Never dream away the time. (B) Always complete the tasks ahead of time. (C) Never put off till tomorrow what should be done today. (D) Always wait to work until the "good mood" or "good time".
Example Output: D

Example Input: Article: LONDON(Reuters)--Organic fruit, delivered right to the doorstep. That is what Gabriel Gold prefers, and he is willing to pay for it. If this is not possible, the 26-year-old computer technician will spend the extra money at the supermarket to buy organic food. "Organic produce is always better,"Gold said."The food is free of pesticides ,and you are generally supporting family farms instead of large farms. And at most times it is locally grown and seasonal, so it is more tasty."Gold is one of a growing number of shoppers accepting the _ , and supermarkets across Britain are counting on more like him as they grow their organic food business. But how many shoppers really know what they are getting, and why are they willing to pay a higher price for organic produce? Market research shows that Gold and others who buy organic food can generally give clear reasons for their preferences but their knowledge of organic food is far from complete. For example, small amount of pesticides can be used on organic products. And about three quarters of organic food in prefix = st1 /Britainis not local but imported to meet growing demand."The demand for organic food is increasing by about one third every year, so it is a very fast-growing market,"said Sue Flock, a specialist in this line of business
Question: More and more people in Britain are buying organic food because_.
Options: (A) they are getting richer (B) they can get the food anywhere (C) they consider the food free of pollution (D) they like home-grown fruit
Example Output:
C