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 forms filed with the Securities and Exchange Commission, the companies disclosed that Fannie Mae CEO Timothy Mayopoulos and Freddie Mac CEO Donald Layton will get annual base salaries of $US750,000 each, $US2.1 million in fixed deferred compensation and $US1.2 million in at-risk deferred salary.

Answer: chief_executive_officer: Fannie Mae, Timothy Mayopoulos