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.

Westpac Banking Corp's chief executive Brian Hartzer has been urged to set out a plan for cost reductions at the bank's strategy update on Monday, including reducing the number of branches, which has been inflated since the acquisition of St George during the financial crisis.
employer: Brian Hartzer, Westpac