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: "We believe the more power people have to share and experience all kinds of different things in the world, the better the world will be," Facebook co-founder and chief Mark Zuckerberg told the audience during a brief appearance on stage.
user
founded_by: Facebook, Mark Zuckerberg; creator: Facebook, Mark Zuckerberg
assistant