In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.

Here's a brilliant piece from Roger Cohen , penned right before last week's 9/11 anniversary : Wednesday , September 10 , 2008 NEW YORK : And in the seventh year after the fall , the dust and debris of the towers cleared . And it became plain at last what had been wrought . For the wreckage begat greed ; and it came to pass that while America's young men and women fought , other Americans enriched themselves . 
Question: Why was there a 9/11 anniversary ?
Because 9/11 was a very significant event in history .

That book was about 2 inches thick and I finished it 10 minutes before I left work that day . On Tuesday after I came back , I hit the bookstore and bought the first and second books , Elizabeth loves vampire things and the set really is a series aimed at teens , and very clean , so I thought she'd enjoy them . I finished the 2nd book that night . I stopped by Wal Mart on Wednesday morning before I went to work and bought the 3rd one . 
Question: What might happen when you hit the book store ?
I would purchase a gift for a friend .

Riley had to take care of Tracy by going to the store and getting their favorite soup. 
Question: What does Riley need to do before this?

know how to get to the store