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: Fifty years ago, smoking was linked to cancer in the first surgeon general's report on tobacco. On Friday, Dr. Boris Lushniak, the acting surgeon general, issued the 32nd report on tobacco, saying "enough is enough." His goal: eliminating the use of cigarettes and tobacco. In 1964, when Dr. Luther Terry released the first surgeon general's report, the public learned smoking causes lung cancer. At the time, 42% of American adults smoked, Lushniak says. Since then, "Tobacco has killed more than 20 million people prematurely," says Dr. Thomas Frieden, director of the Centers for Disease Control and Prevention, in the forward to the new report.The new surgeon general's report links 13 cancers to smokingExposure to secondhand smoke causes stroke, the new report saysSome 5.6 million children today will die prematurely if things don't change, report saysActing Surgeon General Boris Lushniak says he wants a smoke-free generation 
 Question:"It is my sincere hope that 50 years from now we won't need another (surgeon general's) report on smoking and health, because tobacco-related disease and death will be a thing of the past," _ writes in the report.

Boris Lushniak