    Sentence 1: In 2002 , for example , the  Dow dropped more than 1500 points ,  or 156 percent , between May and  October , due largely to terrorism fears  driven by headlines .    Sentence 2: For example , the Dow  dropped more than 1500 points , or I56  percent , from May to October 2002 ,  largely because of terrorism fears  driven by the headlines .