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: She said her retirement would be filled with ‘normal’ things such as cooking her husband’s dinner, walking their two dobermans and tending to the vegetable patch. But even a woman as dedicated as Victoria Pendleton must have worried how long she could keep up a Stepford Wife routine. And sure enough, the queen of the velodrome is now back in the saddle – albeit not on a bicycle, but on a 1,200lb horse in an attempt to become a jump jockey. The 34-year-old – who competed in her first race last month, a charity event at Newbury on board the giant Mighty Mambo – has more rides pencilled in, and even hopes to challenge in the prestigious Foxhunter Chase, a race known as the ‘amateur Gold Cup’ at Cheltenham next March.Cyclist, 34, competed in her first horse race last month - a charity event at Newbury on board the giant Mighty MamboShe hopes to challenge in the prestigious Foxhunter Chase at CheltenhamThe Olympic gold medallist said: ‘My dad thinks I’m a bit crazy' 
 Question:_ was riding a bike by the time she was three, encouraged by her father Max, a keen amateur cyclist.

Victoria Pendleton