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.

Rivaling the magnitude of South by Southwest, the Los Angeles County Economic Development Corporation (LAEDC) will launch the second annual Los Angeles Innovation Week with a series of events from October 1 through October 22, 2015.

Answer: location_of_formation: Angeles, Los Angeles