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.

These include Chinese search giant Baidu, financial services firm HSBC, instant noodle maker Tingyi, Beijing Airport and energy logistics firm Sinopec Kanton, whose share prices halved in the past week.

Answer: location_of_formation: Sinopec, Beijing; headquarters_location: Sinopec, Beijing