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.

Vogue Fashion’s Night Out was officially opened by the Lord Mayor of Sydney Clover Moore and Vogue Editor-in-chief Edwina McCann, who were joined by a swarm of celebrities, designers and fashion bloggers.

Answer: position_held: Clover Moore, Lord Mayor of Sydney