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.

Input: Consider Input: Article: For children with cancer ,the facts of life include the facts of death. There is always the fear that they might not live to grow up.Yet they realize that fighting cancer is the only way of beating it. So they fight.And sometimes, they win.It may take years.It certainly takes support from parents and doctors. Unfortunately, many parents can't deal with their child's illness.And doctors, no matter how caring, have other patients to care for. At times like these, the Children's Cancer Foundation can help. We are a group of Hong Kong doctors, nurses, psychologists, parents of children with cancer and concerned persons .All of us are volunteers (offer one's help without payment).We're with the children every day, listening to, and encouraging them. We also advise parents, educate the public and send doctors overseas to study new cancer treatments. Our funding (providing money) has brought better equipment to the wards (large rooms of a hospital), and paid for special flats where the children can recover. We want to do even more.But to do it, we need your help. It will be money well spent.One who looks at our past achievements should prove that. To the children, your contribution will also be a show of support.A sign that you're behind them is just the sort of news that a six-year-old chlid with cancer needs to hear.
Question: This passage is likely _ .
Options: (A) a story (B) an advertisement (C) a report (D) diary

Output: B

Input: Consider Input: Article: Mr Parker was born in a small village. His father was so poor that he couldn't send him to school. The boy had to help his parents to do some farming and learned English and maths by himself when he was free. Later on he was made to leave his home village and hoped to find a job in a city. And as soon as war broke out, he joined the army . He couldn't forget his terrible past and fought with the enemies bravely . So he became a general when he was fifty. He was honest and friendly to his soldiers and often punished those who tried to pocket a portion of the soldiers' pay . And his soldiers liked him very much. Once Mr Parker heard from a soldier. In the letter the young man said the food in their military camp was very bad and he wished the general could go to find out the reasons. The old man went there at once without telling anybody. He went in the kitchen and examined everything carefully and found it was very dirty. Then he went in the soldiers' bedrooms and found there were a lot of fleas. He became angry and asked the soldiers, "What do you think of your food, young men?" The soldiers saw their officer standing by the general and said nothing. Only a new soldier said, "Very bad, sir!" "What did you have for lunch today?" asked Mr Parker. "A fried chicken, some fish and pork, a cake, six eggs and I had three cups of wine ." "Really?" Mr. Parker called out in surprise. "It's the King's lunch, I think!" "So do I, General," said the young man. "But it's my birthday today. I paid three hundred dollars for them all in the restaurant!"
Question: Mr. Parker was respected because_.
Options: (A) he was strict with the officers (B) he cared about his soldiers (C) he was friendly to everybody (D) he paid attention to the soldiers letters

Output: B

Input: Consider Input: Article: By 2050 there will have been an extra 2.5 billion people on earth. And what will they eat? To solve the problem, we should have to double our food production. We can also develop a diet of algae , insects and meat grown in laboratories. Algae can grow very quickly at sea, in polluted water and in places that would normally kill food crops. They are already eaten widely in Japan and China and they are eaten by almost everything from shrimps to blue whales. They can fix CO2 in the atmosphere and provide fats and sugars. Man-made meat looks like meat, feels like meat and it is meat, although it's never been from a living, breathing animal. Instead, it is grown from cells in big containers. Moreover, studies show that producing man-made meat will use far less water, energy and land. China has developed "green super rice", a series of rice types which produce more grain and have stronger ability to fight against floods, salty water, insects and disease. We used traditional plant breeding techniques to cross-breed more than 250 rice types. Green super rice, which is enough to feed an extra 100 million people, will be planted widely in the coming years. Insects like ants are not on most European menus but at least 1,400 kinds are eaten across Africa, Latin America and Asia. Now, with rising food prices and worldwide land shortages, such insects are getting more and more popular. Not only are many insects rich in protein , low in fat and high in Ca and Fe, but insect farms need little space. And they can grow well on paper, algae and industrial wastes.
Question: In order to exist in the future, people have to _ .
Options: (A) move to other planets (B) produce rain in laboratories (C) build new laboratories for food research (D) increase the food production or look for other food sources
Output: D