Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Input: After the September 11 , 2001 attacks , more than seven thousand police officers came to Times Square .
Output:
Security was high following the September 11 terrorist attacks in 2001 , with more than 7,000 New York City police officers on duty in the Square , twice the number for an ordinary year .