[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Many people say dolphins are very intelligent. They seem to be able think, understand, and learn things quickly. But they are smart like humans or more like cats or dogs? Dolphins use their brains differently from people. But scientists say dolphin intelligence and human intelligence are alike in some ways. How? FACT 1: Talk to Me Like humans, every dolphin has its own "name". The name is a special whistle . Each dolphin chooses a specific whistle for itself, usually by its first birthday. Actually, scientists think dolphins, like people, "talk" to each other about a lot of things, such as their age, their feelings, or finding food. And, like humans dolphins use a system of sounds and body language to communicate. But understanding their conversations is not easy for humans. No one "speaks dolphin" yet, but some scientists are trying to learn. FACT 2: Let's Play Dolphins are also social animals. They live in groups called pods, and they often join others from different pods to play games and have fun ---just like people. In fact, playing together is something only intelligent animals do. FACT 3: Fishermen's Helpers Dolphins and humans are similar in another way: both make plans to get something they want. In the sea of southern Brazil, for example, dolphins use a interesting strategy to get food. When fish are near a boat, dolphins signal to the fishermen to put their nets in the water. Using this method, the men can catch a lot of fish. What is the advantage for the dolphins? Why do they assist the men? The dolphins get to eat some of the fish. Options: A their looks B their whistles C their smell D their sex Answer: B their whistles Question:
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[A]: We can infer from the text that dolphins identify others by_.

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Odland remembers like it was yesterday working in an expensive French restaurant in Denver. The ice cream he was serving fell onto the white dress of a rich and important woman. Thirty years have passed, but Odland can not get the memory out of his mind, nor the woman's kind reaction . She was shocked, regained calmness and, in a kind voice, told the young Odland. "It is OK. It wasn't your fault." When she left the restaurant, she also left the future Fortune 500 CEO with a life lesson: You can tell a lot about a person by the way he or she treats the waiter. Odland isn't the only CEO to have made this discovery. Instead, it seems to be one of those few laws of the land that every CEO learns on the way up. It's hard to get a dozen CEO's to agree about anything, but most agree with the Waiter Rule. They say how others treat the CEO says nothing. But how others treat the waiter is like a window into the soul. Watch out for anyone who pulls out the power card to say something like, "I could buy this place and fire you," or "I know the owner and I could have you fired." Those who say such things have shown more about their character than about their wealth and power. The CEO who came up with it, or at least first wrote it down, is Raytheon CEO Bill Swanson. He wrote a best-selling book called Swanson's Unwritten Rules of Management. "A person who is nice to you but rude to the waiter, or to others, is not a nice person," Swanson says. "I will never offer a job to the person who is sweet to the boss but turns _ o someone cleaning the tables." Options: A He was fired. B He was blamed. C The woman comforted him. D The woman left the restaurant at once. Answer: C The woman comforted him. Question:
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output: What happened after Odland dropped the ice cream onto the woman's dress?

Problem: Write a multi-choice question for the following article, with the given choices and answer: Article: Researchers are now using 3D printing to create models of the human heart to help heart specialists. The heart doctors can use the models to better help patients before an operation. Dr. Bramlet, a children's heart expert at the University of Illinois College of Medicine, says the 3-D models show information he cannot get any other way. "And so what we've done with the printed models? We've pulled it out of the screen so that you can actually hold it in your hand and evaluate the anatomy ." A 3-D printer uses images from a digital display to create a physical model of a human heart. Matthew Bramlet says doctors can use the model to understand the anatomy. Pictures from medical tests like CAT scan or MRI are sent to a 3-D printer to create a heart in a plaster form. The printer then constructs the heart, thin layer by thin layer. Dr. Bramlet says the model matches the real heart in every detail. "When we're done with the model and made our decision, we want to be able to go back to the source image and confirm those findings," he says. Dr. Bramlet has built model hearts for different kinds of heart operations. All of the operations were successful. In his first case, digital images showed only one tiny hole in a baby's heart. But, the 3-D printed model showed several defects or problems that the baby was born with. Dr. Bramlet says those defects could not be seen easily in the images. The heart surgeon was able to change the type of surgery for the patient based on the 3-D model. He added that 3-D heart models saves time during heart operations. Kathy Magliato is a heart surgeon at Saint John's Health Center in Los Angeles. She welcomes the new technology. She says it could help her make better decisions before she operates on the hearts of her patients. "I can then take this very complicated structure before the operation and I can hold it in my hand and plan an operation around what I'm seeing, touching and feeling. That to me is what can potentially change the game in an operation and save lives." Dr... Options: A The application of 3-D printing in heart operations B The development of 3-D technology. C The difficulties of heart operations. D Heart operations with the help 3-D models. Answer: A The application of 3-D printing in heart operations Question:

A:
Whats the main idea of the passage?