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.

The latest 787 Dreamliner and the Airbus Group SE A350 are hastening the retreat by combining twin-jet economics with composite materials that offer a 20 per cent efficiency saving versus planes far newer than the 747.

Answer: manufacturer: A350, Airbus; developer: A350, Airbus; product_or_material_produced: Airbus, A350