Question:
Which employer did Ann Sarnoff work for in Dec, 2009?

Context:
 Ann Sarnoff works for BBC America from Jan, 2010 to Jan, 2019. 
 Ann Sarnoff works for Dow Jones & Company from Jan, 2006 to Jan, 2010. 
 Ann Sarnoff works for Women's National Basketball Association from Jan, 2004 to Jan, 2006.

Answer:
Question:
Which employer did Ann Sarnoff work for in Dec, 2009?

Context:
 Ann Sarnoff works for BBC America from Jan, 2010 to Jan, 2019. 
 Ann Sarnoff works for Dow Jones & Company from Jan, 2006 to Jan, 2010. 
 Ann Sarnoff works for Women's National Basketball Association from Jan, 2004 to Jan, 2006.

Answer:
user
Dow Jones & Company
assistant
Question:
Which employer did Ann Sarnoff work for in Dec, 2009?

Context:
 Ann Sarnoff works for BBC America from Jan, 2010 to Jan, 2019. 
 Ann Sarnoff works for Dow Jones & Company from Jan, 2006 to Jan, 2010. 
 Ann Sarnoff works for Women's National Basketball Association from Jan, 2004 to Jan, 2006.

Answer:
user
BBC America
Women's National Basketball Association
assistant
Question:
Which employer did Ann Sarnoff work for in Dec, 2009?

Context:
 Ann Sarnoff works for BBC America from Jan, 2010 to Jan, 2019. 
 Ann Sarnoff works for Dow Jones & Company from Jan, 2006 to Jan, 2010. 
 Ann Sarnoff works for Women's National Basketball Association from Jan, 2004 to Jan, 2006.

Answer:
user
Dow Jones & Company
assistant