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: Researchers who helped discover a new species of Mexican butterfly are offering to sell the naming rights to raise money to fund more research. Co-discoverer Andrew Warren is hoping to raise at least $50,000 by auctioning off the rights to name the 4-inch "owl eye" butterfly, which lives in Sonora, a Mexican state bordering Arizona. "That would support at least two years of research for our team down in Mexico," Warren said. "Money goes a long way down here in Mexico." According to the scientific tradition, discoverers of a new species have the say in naming it. In recent years, some discoverers have auctioned off their naming rights to raise money. Warren said the amount being sought for the butterfly is not out of the question, noting that naming rights for a new monkey species brought in $650,000 two years ago. A group of 10 new fish species that went on the naming auction block at the same time earlier this year brought in a total of $2 million. The butterfly discovered by Warren and researcher George Austin ranges as far north as Mexico. The butterfly was actually in a collection, misidentified as an example of another new species, at the McGuire Center for Lepidoptera and Biodiversity at the Florida Museum of National History in Gainesville, said Warren. They soon began the hard process of determining that it was indeed a "new" model of butterfly. After checking photos and comparing it with other known species, they determined it was a separate species.
Answer: Near the US-Mexico border.

Answer: Where did the researchers discover the new species of butterflies?

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: Everyone knows there are many English expressions about clothes. There is no need to keep it a secret, or to keep it under your hat. In fact, if I keep talking, soon enough you will start to think I am an old hat about this -- a real expert. Do not be fooled, though. My friends sometimes call me a wolf in sheep's clothing. This is someone who acts like a good person, but is really a bad person. I'm not really a bad person. But I do love clothes. It is always fun to get dressed up. I look great in my best clothes. When I put them on, I feel decked out. You might say when I wear my best clothes, I am dressed to the nines or dressed to the teeth. In fact, my husband says I look dressed to kill. Of course, I would never kill anyone. But, there is something special about putting on clothes that are pleasing to the eye. My best clothes are not modern or fashionable. Maybe someday they will come into fashion. But I really do not care. They certainly look better on me than my birthday suit. Did you know that everyone has a birthday suit? You wear it when you are wearing no clothes at all. Babies are born wearing their birthday suits. I am very careful with my clothes. I handle them with kid gloves. I try not to get them dirty or torn. Most of my clothes fit like a glove. They fit perfectly. But when I eat too much, I feel like my clothes might burst at the seams. My clothes feel too restrictive and tight. Some of the clothes I like best are hand-me-downs. My older sister gave them to me when she no longer wanted them. Hand-me-downs are great because clothes often cost too much money. I live on a shoestring. I have a very small budget and little money to spend on clothes. However, my sister has a lot of money to spend on clothes. Maybe someday the shoe will be on the other foot. The opposite will be true. I will have a lot of money to buy clothes and my sister will get hand-me-downs from me. I admit I dream of being rich. I dream that someday I will be able to live like a rich person. I will know what it is like to walk in another person's shoes. Some of my friends got rich by riding someone else's coat tails. They are successful today as a result of someone else being successful. But, I believe you should never criticize others for something you would do yourself. What is said about someone else can also be said about you. Remember, if the shoe fits, wear it.
Answer: English expressions about clothes.

Answer:
What's the main idea about the passage?