Part 1. Definition
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.
Part 2. Example
Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck. 
Question: What did Tracy do with her neck?
Answer: crack her neck
Explanation: The output phrase perfectly answers the question and is explicitly mentioned in the passage as well.
Part 3. Exercise
In the case of the OKC , I had never seen the Federal Building before ... so trying to imagine what the area looked like before April 19 , 1995 was difficult . In any case , I believe that it is important to see these memorials if you are ever near them . They are heartbreaking and make you remember these times and these people who lost their lives . Sometimes I think we forget that " It can happen here".Anyway ... onto the pics . The fence outside ... Looking into the memorial from the Gates of TimeThe Gates of Time and the calming reflecting pool . 
Question: Why are the memorials heartbreaking ?
Answer:
Because they represent people who were killed tragically .