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 (Reuters) - General Motors Co (GM.N) Chief Executive Mary Barra said the automaker plans new efforts to capitalise on the connectivity built into its cars, expanding car sharing services, offering more autonomous driving features and enabling services through smartphone apps.

Answer: employer: Mary Barra, General Motors