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: 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 output: 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.
Q: Article: Eighteen-year-old Dana Kiger is happily running after balls on the soccer field. But not long ago, she couldn't remember her love of the game, her parents' faces or even her name. At 16, the Tennessee honor student and star athlete was hit from behind while playing in a soccer game. She fell to the ground, her head striking the hard ground. The blow knocked out nearly all of Kiger's memories. With no physical injury or unusual change in her brain, doctors thought Kiger's memory would return in a few days. But it did not. And two and a half years later, it still hasn't. Kiger--who has no memory of her family, her childhood or her life before her injury--has had to create new memories, restart relationships and relearn old skills. "The only thing I had ...I could walk, write, but I didn't know what to write," Kiger said of the days after the accident. "Physically, I was OK, I guess, but mentally I was troubled." Doctors say long-term amnesia brought on by a less severe brain injury like Kiger's is unusual. "It's very rare for people to have this lasting problem with memory recovering," said Dr Roger Hartl at Weill Cornell Medical College. Kiger's parents tried to help their daughter return to the life she once lived. "She didn't know what food was," Kiger's mom said. "She said, 'What is that?' I said, 'Lettuce." She said, 'Do I like it?' I said, 'That's up to you to decide.'" Kiger's natural ability on the soccer field was the one part of her earlier life that died immediately. And soon, she'll begin a new life at Slippery Rock University, where she plans to study physical therapy . Kiger said that while parts of her past still remain a mystery, she's focused on what's to come. "It is about my future," she said.
Question: What would be the best title for this text?
Options: (A) Parents Worried about Child's Injury (B) Soccer Injury Wipeed Out Teen's Memory (C) Teen Suffered from Bad Memory (D) Doctors Helped Teen Recreate Memories
A:
B