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.

Other senior boofs in the audience included Qantas boss Alan Joyce , ASX chief Elmer Funke Kupper​ , Rio Tinto's executive Greg Lilleyman , Telstra's Andy Penn , and former Treasury secretary Martin Parkinson .

Answer: chief_executive_officer: Qantas, Alan Joyce; employer: Alan Joyce, Qantas