SAN FRANCISCO (Reuters) - Prime Minister Narendra Modi has documented his push to bring U.S. investments and jobs back to India on his Facebook and Twitter pages since landing in the United States this week, posting photos with the likes of former New York City Mayor Michael Bloomberg and group shots with Fortune 500 CEOs.
Analyze the relationship between 'Twitter' and 'SAN FRANCISCO' within the context of the input sentence.
Options: headquarters location, distribution format, chief executive officer, founded by