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.

NEW YORK, July 24 Amazon.com founder and Chief Executive Officer Jeff Bezos got a lot richer while he slept on Thursday night, after the company reported its quarterly earnings and its shares rose 20.1 percent.

Answer: position_held: Jeff Bezos, Chief Executive Officer