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].

Example input: For four years we have waited expectantly for the pitter patter of tiny paws. Soon, that wait could finally be over. Tian Tian, the UK's only female giant panda, has conceived and could give birth to a cub as early as August. However Edinburgh Zoo, where the pandas live, have warned people 'not to get too excited' as the process is 'extremely complex'. Moreover, on the two previous occasions keepers inseminated Tian Tian - whose name means 'Sweetie' - she has failed to produce a panda cub. She was artificially inseminated again in March this year, but keepers at the zoo say implantation - when a fertilised egg attaches to the uterus - has not yet occurred.Tian Tian has conceived and could give birth to a cub as early as AugustShe has been inseminated twice before but so far failed to produce a cubTian Tian and Yang Guang arrived in 2011 from China to great fanfareOn loan at £600k a year, became first giant pandas to live in UK for 17 years 
 Questions:Under the terms of the agreement any cubs will return to _ at the age of two, the age at which they would normally leave their mother in the wild.
Example output: China
Example explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two
Q: (CNN) Marilou Danley said that she was worried her boyfriend, Stephen Paddock, was trying to break up with her when he bought her a cheap ticket to the Philippines about two weeks ago, then wired her money so she could buy her and her family a house there. But Danley, in a statement read by her attorney, said she didn't know Paddock had planned to carry out a mass shooting. In her first public remarks since Paddock killed 58 people and wounded close to 500 others in Las Vegas on Sunday night, Danley said Paddock -- a man she described as "kind" -- never gave her any clues or any warning "that something horrible like this was going to happen."Gunman came to Las Vegas during Life is Beautiful festivalThe shooter's girlfriend is back in the US and being questioned 
 Question:Danley's statement sheds little light on what led the 64-year-old retired accountant to fire from his 32nd-floor hotel room window into a crowd of 22,000 concertgoers in the heart of _.
A:
Las Vegas