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: The gray-haired lady can't wait to leave the building to search for her dad. Unless watched, she will walk in the streets in an effort to find her father, who died 30 years ago. Not all cases of Alzheimer's disease look like this, but Alzheimer's is a serious disease that is said to be the fourth or fifth leading cause of death for people over age 75. It is said that about three percent of the U.S. population over age 65 have Alzheimer's. In the early stages, people may exhibit short-term memory loss. Some may experience changes in personality, easy to be angry. As the disease progresses, patients might lose the ability to move and may be unable to speak or move at all. This progressive disease generally lasts 8 to 10 years before death occurs. While no one is certain what causes these changes in the brain's nerve fibers , their effect is certain. Alzheimer's destroys not only the patients, but also spouses , friends and families. What should you do if you notice progressive memory loss in yourself or a loved one? Have the person examined by a doctor who is a specialist in the treatment of Alzheimer's disease? Though many reasons other than Alzheimer's disease may cause memory loss, its early diagnosis and treatment may delay some of the most serious effects. What feeling will you likely experience if a loved one suffers from Alzheimer's disease? A person will often go through the various stages of sadness, shock, anger, and so on. If the spouse develops the disease, you may experience hurt and disappointment when he or she doesn't remember you are married. Life for the Alzheimer's patients and their loved ones will never be the same as the disease progresses, bringing a deep sorrow, loss and even anger towards God. No matter what feelings are present, facing them honestly will serve one better than burying them.
Question: What can be inferred from the passage about the gray-haired day?
Options: (A) She has been living with her father. (B) She was sad about the death of her father. (C) She can't search for her father without being watched. (D) She suffers from Alzheimer's disease.
Example Output: D

Example Input: Article: Jenny went to visit her friends in New York last weekend.Her friends met her at the airport on Friday afternoon and drove her to the hotel.They had dinner at a Chinese restaurant and went to see a film after that. Jenny and her friends set out early on Saturday morning for a farm and stayed there until Sunday morning.During their stay, they went fishing and swimming in the small river on the farm.They played football in the field and enjoyed a big meal around a camp fire , singing and dancing till late into the night. Nobody could get up early on Sunday morning.So when they got back to New York City, it was about three o'clock in the afternoon.They drove right to the airport because Jenny didn't want to miss her plane back home.Jenny only stayed in New York for two nights but she had a great time with her friends.
Question: Jenny went to New York _ .
Options: (A) to do some shopping (B) to see her friends (C) to spend her summer holiday (D) to find a job
Example Output: B

Example Input: Article: Scientists around the world have been studying the warming of waters in the Pacific Ocean known as El Nino . The appearance of El Nino is known to affect the weather around the world. Scientists still do not completely understand it. Yet they now find they can use it to tell about the future in different areas of the world. One example is the work of two scientists at Columbia University in New York, Mark Cane and Gordon Eshel. A scientist of Zimbabwe , Roger Buckland worked with them. They have found that when El Nino appears, Zimbabwe has little or no rain. This means corn crops in Zimbabwe are poor. The last El Nino was in 1991 to 1993. That was when southeastern Africa suffered a serious lack of rain. The scientists wrote about their recent work in the publication Nature. Their computer program can tell when an El Nino will develop up to a year before it does. They suggest that this could provide an effective early warning system for southern Africa, and could prevent many people from starving.
Question: El Nino is known as _ .
Options: (A) the changing of the weather in southern Africa (B) the warming of waters in the Pacific Ocean (C) the weather which brings drought to Africa (D) the weather phenomenon that brings heavy rains to Africa
Example Output:
B