When I woke up this morning , I realized that this was yet another anniversary of 9/11 . It is my custom , in the morning to spend some time in reflection . It was a beautiful day in NYC that day . The sky was just amazing and the sunlight was just beautiful .
According to the above context, choose the best option to answer the following question.
Question: What is the narrator commemorating ?
Options:
- None of the above choices .
 - They are commemorating a great moment in history .
 - They are commemorating a terrible incident .
 - They are commemorating a fun time in history .


They are commemorating a terrible incident .