premise: The 2013 Canadian Olympic Curling Trials were held from December 1 to 8 at the MTS Centre in Winnipeg, Manitoba. The event is also known and advertised as the Tim Hortons Roar of the Rings. The winners of the men's and women's events were chosen to represent Canada at the 2014 Winter Olympics.
hypothesis: Tim Horton did not donate any amount of money to curling trials
reason: it doesn't state whether or not Tim Horton has donated any money to the trials or event