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.

DETROIT (AP) -- Fiat Chrysler must offer to buy back from customers more than 500,000 Ram pickup trucks in the biggest such action in U.S. history as part of a costly deal with safety regulators to settle legal problems in about two-dozen recalls.

Answer: manufacturer: Ram pickup, Chrysler