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.
Text: Chief Executive Officer Indra Nooyi has worked to trim Pepsi’s expenses as the strong dollar damps sales abroad and Americans grow wary of soda over concerns about obesity and artificial sweeteners .
user
position_held: Indra Nooyi, Chief Executive Officer
assistant