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.

Last week, the Shiv Sena threatened the staging of two concerts by renowned Pakistani ghazal maestro Ghulam Ali that were subsequently cancelled in Mumbai and Pune.

Answer: location_of_formation: Shiv Sena, Mumbai; headquarters_location: Shiv Sena, Mumbai