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.

Ladies and gentlemen, good evening, and welcome to HDFC Bank Q1 FY '21 earnings conference call on the financial results presented by management of HDFC Bank.

Answer: owned_by: HDFC, HDFC Bank; operator: HDFC, HDFC Bank