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.

Bank of America Corp. Chief Executive Officer Brian Moynihan named the fourth finance chief of his tenure in a broad shakeup as he seeks to overcome regulatory hurdles and reverse shrinking revenue.

Answer: position_held: Brian Moynihan, Chief Executive Officer; employer: Brian Moynihan, Bank of America