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.

In California, he will hold a public meeting with Facebook (NasdaqGS: FB - news ) founder Mark Zuckerberg at the social network's headquarters, and visit tech giant Google (Xetra: A0B7FY - news ) and electric car and battery innovator Tesla.
founded_by: Facebook, Mark Zuckerberg; creator: Facebook, Mark Zuckerberg