Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Example Input: Paragraph- Sent 1: Alien Planet starts out with an interstellar spacecraft named Von Braun , leaving Earth's orbit .
Sent 2: Traveling at 20 % the speed of light , it reaches Darwin IV in 42 years .
Sent 3: Upon reaching orbit , it deploys the Darwin Reconnaissance Orbiter , Which looks for potential landing sites for the probes .
Sent 4: The first probe , Balboa , explodes along with its lifting body transport during entry , because one of its wings failed to unfold .
Sent 5: Two backup probes , Leonardo da Vinci and Isaac Newton , successfully land on the planet , and learn much about its bizarre indigenous lifeforms , including an apparently sapient species .
Sent 6: The robotic probes sent out to research on Darwin IV are called Horus Probes .
Sent 7: Each Horus probe consists of an { { convert } } long inflatable , hydrogen-filled balloon , Which is covered with solar receptors , a computer ' brain ' , a ' head ' covered with sensors , and several smaller robots that can be sent to places too dangerous for the probes themselves .
Sent 8: The probes have a limited degree of artificial intelligence , very similar to the ' processing power ' of a 4-year-old .
Sent 9: All the real thinking is done by a supercomputer in the orbiting Von Braun .
Sent 10: The probes are programmed with different personalities ; Ike is more cautious , while Leo is the risk-taker .
Sent 11: The two probes are also equipped with a holographic message that will be projected to any sentient life found on Darwin .
Sent 12: After the two probes inflate their gas-bags , they encounter a voracious Arrowtongue and watch it pursue a Gyrosprinter .
Question: Which interstellar spacecraft reaches Darwin IV in 42 years?.
Example Output: Von Braun.

Example Input: Paragraph- Sent 1: You may be wondering, how can a glacier get so big?
Sent 2: Why does it move?
Sent 3: These are both good questions.
Sent 4: In the winter months, precipitation falls as snow.
Sent 5: This solid form of water builds up on the ground as long as the temperatures stay cold enough.
Sent 6: As the temperature rises, the snow starts to melt.
Sent 7: The frozen water changes state back into a liquid state.
Sent 8: Nearer the poles, summer does not last very long.
Sent 9: If the summer is long enough and warm enough, all the snow may melt.
Sent 10: This is what typically happens now.
Sent 11: The earth was a little cooler 12,000 years ago.
Sent 12: As a result, during the summer months, that amount of snow did not melt.
Sent 13: It may have only been an inch or so of snow that melted.
Sent 14: The following winter, snow fell on top of this left-over snow.
Sent 15: This next winters snowfall had a head start.
Sent 16: Year after year, the snow that did not melt became thicker and thicker.
Sent 17: Inch by inch the snow started to build up.
Sent 18: Over many years, layer upon layer of snow compacted and turned to ice.
Question: Are temps always the same in glacier areas?.
Example Output: No.

Example Input: Paragraph- Sent 1: The 1933 double eagle, a $20 gold piece with a mysterious history that involves a president, a king and a Secret Service sting operation, was auctioned Tuesday last night for a record price for a coin, $7.59 million, nearly double the previous record.
Sent 2: The anonymous buyer, believed to be an individual collector who lives in the United States, made the winning bid in a fiercely contested nine-minute auction at Sotheby's in Manhattan.
Sent 3: Eight bidders were joined by 500 coin collectors and dealers in an auction house audience seemingly devoid of celebrity bidders, while an additional 534 observers followed the bidding on eBay.
Sent 4: As auction houses prepare for their fall seasons in an uncertain economy, the sale price "suggests that the marketplace for important items is enormously strong," said David Redden, a vice chairman at Sotheby's, who was the auctioneer.
Sent 5: "This is an astonishing new record for a coin," he said.
Sent 6: In an unprecedented move, the auction proceeds were split by the U.S. Mint and a London coin dealer, Stephen Fenton, who had won that right in court after having been arrested by Secret Service agents for trying to sell the coin in the Waldorf-Astoria Hotel in Manhattan in 1996.
Sent 7: Henrietta Holsman Fore, the director of the U.S. Mint, who witnessed the sale, said, "The monies we receive will go toward helping to pay down the debt and to fight the war on terrorism."Sent 8: Fenton commented that the double eagle had been on "a long historic journey, with a very satisfying ending."Sent 9: He added, "I am thrilled with the price."Sent 10: The previous numismatic record holder was an 1804 U.S. silver dollar, which sold for $4.14 million in 1999.
Sent 11: Sotheby's partner in the one-lot auction was Stack's Rare Coins, with which it shared the customary 15 percent commission.
Sent 12: "I have never seen as much interest in the sale of any coin in my 30 years in the business," said Lawrence R. Stack, the company's managing director.
Sent 13: "This is the Mona Lisa of coins," said Beth Deisher, editor of Coin World, the largest weekly coin publication in the United States, with a circulation of 85,000.
Sent 14: "It is unique.
Sent 15: Forbidden fruit."Sent 16: Collectors' Web sites have surged with speculation about the sale price, and enthusiasts even organized betting pools.
Question: What is the history of the double eagle?.
Example Output:
A president, king and secret service sting operation.