On March 6,the Limestone Student Society Entered into a Contract

True/False

On March 6,the Limestone Student Society entered into a contract with the Stumbling Stones,a rock group,to give a performance at the Limestone U Students' Union on March 31.On March 29,the Stumbling Stones fell ill with the flu,and were unable to travel to Limestone City.Another rock group was contacted by the Stumbling Stones to appear in their place,and arrived at the Student' Union in time to perform.
-The contract,by its nature,is not subject to vicarious performance.