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.

"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.

Answer: founded_by: Facebook, Mark Zuckerberg; creator: Facebook, Mark Zuckerberg