Definition: In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Input: Question: How many players are typically on a team for the sport that Lake Braddock started in 2006? Passage:Lake Braddock is home to over 70 clubs. The DECA Club has sent students to national level competitions. In September 2006, Lake Braddock started a boys' volleyball team. The Lake Braddock Speech Team was reorganized in 2006 and began to compete in the VHSL. The Lake Braddock Key Club is one of the school's biggest and most prosperous clubs; having over 400 members, they raised $5,300 for UNICEF in October 2012. The Lake Braddock Model United Nations Club is an active participant in local and national conferences. LBSS has one of the few active high school chapters of Students for a Democratic Society. The It's Academic team has been featured on WRC-TV multiple times. Lake Braddock provides crew (rowing) as a club sport. Lake Braddock Crew has medaled in many regattas, including state competitions. Lake Braddock also features an Army JROTC program, started in 2010, which currently has over 150 cadets.
 Links: a. Volleyball b. Regatta c. Regatta d. UNICEF
Output:
a