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: (CNN) -- The trainer at the center of a doping scandal that stunned the world of horse racing was banned for eight years Thursday by the governing body of the sport of Britain. Mahmood Al Zarooni, who worked at the world famous Godolphin operation in Newmarket, was handed the punishment by a disciplinary panel of the British Horseracing Authority (BHA), sitting in London. The 37-year-old admitted a "catastrophic error" in administering prohibited anabolic steroids -- ethylestranol and stanozolol -- to 15 leading thoroughbreds. Eleven of the horses tested positive when a doping control team from the BHA visited Godolphin's Moulton Paddocks Stables on April 9. Al Zarooni volunteered information about the other four.Leading horse racing trainer Mahmood Al Zarooni receives eight-year banAl Zarooni had admitted to administering anabolic steroids to 15 top thoroughbredsHorses in question also suspended from running for six monthsPunishments handed down by British Horseracing Authority in London 
 Question:"Mr Al Zarooni acted with awful recklessness and caused tremendous damage, not only to _ and British racing," he said.

Godolphin