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.

Our self-operated model Meituan Grocery, that's Meituan Maicai, not only materially expanded its coverage in key cities such as Beijing and Shenzhen, but also began operation in such new cities as Guangzhou in July.

Answer: headquarters_location: Meituan, Beijing