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 May, Brookfield Asset Management chief Bruce Flatt told shareholders in a letter that the company was looking to raise about $US21 billion across 2015 and early 2016 to fund a massive buying spree.
employer: Bruce Flatt, Brookfield Asset Management