Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Warren Buffett enthusiasts have been offered the dream prize of a stay in the investment guru's childhood home - so long as they invest in his company and have a healthy appreciation of Omaha. The three-bedroom house, where the billionaire finance whizz lived from the age of six, has been put on Airbnb ahead of a May 2 investors' meeting in the Nebraska city where he grew up. It was from that home, which his family left in 1966 and no longer owns, that Buffett, now 84, earned his first cents selling Coke and chewing gum door-to-door, and also started investing in stocks.Three-night stay in billionaire's old Nebraska home is competition prizeStay is during shareholder meeting for Buffet's Berkshire Hathaway firmTo win May trip, entrants must answer questions on company and OmahaBuffett family moved there in 1936, when Warren was six years old 
 Question:This year's annual meeting is expected to draw its biggest crowd yet because this is the 50th anniversary of when _ took over Berkshire Hathaway.

Warren Buffett