In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
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Question: Article: This story took place a long time ago. But it has been repeated time and time again. Everyone is moved by the true story. An old man was knocked down by a car and was taken to hospital. He was badly hurt, and during his few returns to consciousness, he repeatedly called for his son. None knew where his son was. A dirty letter was found in his pockets. The nurse learned that his son was a solider inprefix = st1 /North Carolina. The hospital called the Red Cross offices to find the young man. The young solider was rushed to the airport in time to catch the plane. It was evening when the young solider walked into the hospital. A nurse took him into the bedsides of the old man. "Your son is here," she said to the man. She had to repeat the words several times before the old man's eyes opened. He dimly saw the young man and got great comfort. He reached out his hand. The young solider held the old man's hand and offered words of hope. All through the night the young solider sat besides the bed. The nurse offered to watch instead of him for a while. He refused. At dawn the old man died. The nurse started to comfort him but the solider asked her, "Who was that old man?" "He was your father," she answered. "No, he wasn't. I never saw him before." "I knew right away there was a mistake, but I also knew he needed his son, and his son just wasn't here. I realized I was needed. So I stayed."
Answer: He was seriously injured and would die soon.

Answer: What is true about the old man?

Question: Article: Global warming happens when greenhouse gases trap heat and light from the sun in the earth's atmosphere, which increases the temperature. This is like when heat is trapped in a car. On a hot day, the car gets hotter when it is out in the parking lot. This is because the heat and light from the sun can get into the car, by going through the windows,but it can't get back out. This is what the greenhouse effect does to the earth .The heat and light can get through the atmosphere, but it can't get out As a result,the temperature rises. Sometimes the temperature can change in a way that helps us. The greenhouse effect makes the earth appropriate for people to live on Without _ ,the earth would be freezing,or it would be burning hot. It would be freezing at night because we would not get the sun's heat and light .During the day, especially during the summer, it would be burning because the sun would be up with no atmosphere to filter it,so people,plants,and animals would be exposed to all the light and heat. Although the greenhouse effect makes the earth able to have people living on it,if there gets to be too many gases,the each can get unusually warmer, and many plants,animals.and people will die. Plants would die because they would not be able to take the heat .This would cause us to have less food to eat, and it would also limit the food that animals have. With less food for the animals that we need to survive we would even have less food. Gradually, people,plants,and animals would all die of hunger. People are doing many things to try to stop global warming .One thing is carpooling--driving with someone to a place that you are both going to. Another thing is being more careful about leaving electrical devices turned on. Now, more people are even riding buses or bikes to lower the amount of greenhouse gases in the air .Although adults do many things to help stop global warming, kids call do just as much.
Answer: It prevents all the light from the sun shining on the earth.

Answer: What is the effect of atmosphere?

Question: Article: Writing one or two articles a day is a fair goal for a human writer. By contrast, the Wordsmith platform can produce up to 2,000 articles a second! Wordsmith is one example of natural language-generation software, often referred to as a robot journalist. To be fair, the software doesn't start from the beginning, like a human writer might. Instead, the software takes a set of structured data and transforms it into readable text. Natural language-generation software, such as Wordsmith and Quill, does its work by identifying trends and highlights in sets of data. The software then searches its own dictionary for the words to express its findings.[:] Why keep human writers around Although this type of software writes faster than any human, it requires sets of structured data to work. That's why it's especially useful for writing earnings reports and other types of "dry" writing. Humans, on the other hand, are good at turning their unstructured thoughts directly into prose. The reports produced by Wordsmith and Quill read naturally, and they can match the tone of human writers. But for now, the robot journalists probably won't steal many jobs or win any Pulitzer Prizes! Current applications of natural language-generation software Financial reports: The software is commonly used by banks or traders to analyze large amounts of financial data and then produce reports in plain English. Health and fitness: The software can turn data gathered from wearable devices or fitness trackers into personalized reports. The writing tone can even be adjusted to sound more encouraging! Sports reporting: The software is often used to turn real baseball, basketball and football statistics into exciting stories.
Answer: A robot journalist.

Answer:
What does natural Language-generation software refer to?