The arrival of new Chief Financial Officer Ruth Porat in May has assuaged investor concerns that Google boss Larry Page's spending on projects outside the main search-advertising business -- from driverless cars to computerised spectacles -- would keep accelerating without paying off in higher revenue.
Utilize the input text as a context reference, choose the right relationship between 'Ruth Porat' and 'Chief Financial Officer' from the options.
Options: position held, industry, manufacturer, distribution format