Sentence 1: Leon always had trouble remembering important dates. 
 Sentence 3: His wife suggested a personal calendar app on his phone 
 Sentence 4:  Leon found one online 
 Sentence 5:  He can now remember all of the important dates 
 Option 1: He had tried different methods of remembering them. 
 Option 2: He had tried different methods of remembering them but was Amish.