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.

British Airways and Iberia holding company International Airlines Group (IAG) said Thursday it had ordered 31 Airbus plans, including firm orders for 11 longhaul craft for its Spanish airline.

Answer: owned_by: British Airways, International Airlines Group; parent_organization: British Airways, International Airlines Group