Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.
Text: Facebook founder Mark Zuckerberg and Microsoft billionaire Bill Gates today threw their weight and resources behind the goal of bringing Internet access to everyone in the world by 2020.
user
owner_of: Bill Gates, Microsoft; founded_by: Facebook, Mark Zuckerberg; creator: Facebook, Mark Zuckerberg
assistant