Definition: In this task, you will be presented with a question that has multiple possible answers. You should choose the most suitable option out of "A", "B", "C", "D", and "E", based on your commonsense knowledge.
Input: Question: It was the first time they had met their new niece, it was good to have everybody together at the annual what? 
 Options: A brother's house B family picture book C family tree D family reunion E book 

D