Sentence 1: Gary owned a pig farm. 
 Sentence 3: The pigs ran far away to Gary's dismay 
 Sentence 4:  Determined, Gary bought a book on sheep breeding 
 Sentence 5:  Pretty soon Gary was a big player in the wool business 
 Option 1: One day the fence for his pig pen was repaired. 
 Option 2: One day the fence for his pig pen was sabotaged.