The hordes of people who attended Hoover Dam's 1935 dedication set the city's now-formidable public relations machine into action.
Many people attended the Hoover Dam's dedication in 1935.
mnli hypothesis: Many people attended the Hoover Dam's dedication in 1935. premise: The hordes of people who attended Hoover Dam's 1935 dedication set the city's now-formidable public relations machine into action.