Conversation so far:
What was Barack Obama's first job?
Barack Obama graduated with a BA degree in 1983 and worked for about a year at the Business International Corporation, where he was a financial researcher and writer.
Where did Barack Obama live as a young adult?
In 1981, Barack Obama transferred as a junior to Columbia University in New York City and lived off-campus on West 109th Street.

Question: Who did he live in Seattle with?
Self-contained rewrite: Who did Barack Obama live in Seattle with?