sentences:  The NTF represents its members before the U.S. Congress and the various regulatory agencies, such as the U.S. Department of Agriculture's Food Safety and Inspection Service.Among members of the general public, NTF is best known for its role in the National Thanksgiving Turkey Presentation, an annual ceremony where a live domestic turkey is presented to the President of the United States just before Thanksgiving Day.NTF began presenting the National Thanksgiving Turkey during the presidency of Harry Truman.