SAN FRANCISCO (Reuters) - The Massachusetts attorney general's office is examining how Uber and Lyft ensure equal access for people with disabilities, a spokeswoman for the attorney general told Reuters, adding to numerous other business issues facing the two companies.
Take context from the input text and decide on the accurate relationship between 'Lyft' and 'SAN FRANCISCO' from the options provided.
Options: subsidiary, distribution format, headquarters location, owned by