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: Sept 18 Apple Inc is stepping up aid to the thousands of migrants that are streaming into Europe from war-torn countries, Chief Executive Officer Tim Cook told employees in an internal message on Friday.
user
chief_executive_officer: Apple Inc, Tim Cook; employer: Tim Cook, Apple Inc; position_held: Tim Cook, Chief Executive Officer
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