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.

For example, two notable value investors operate businesses that fall into this category -- Tom Gayner at Markel and Warren Buffett at Berkshire Hathaway ( NYSE:BRK-A ) ( NYSE:BRK-B ) .

Answer: owned_by: Berkshire Hathaway, Warren Buffett; chief_executive_officer: Berkshire Hathaway, Warren Buffett; director_/_manager: Berkshire Hathaway, Warren Buffett; owner_of: Warren Buffett, Berkshire Hathaway; chairperson: Berkshire Hathaway, Warren Buffett