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.

BA has already decided to exit its Boeing 747 fleet with early retirement of the remaining 30 aircraft, as well around eight Airbus 318s and six Boeing 777s for up to two years until longhaul demand returns.

Answer: developer: Boeing 747, Boeing; product_or_material_produced: Boeing, Boeing 747