Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

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Answer: manufacturer: iPhone 6S, Apple Inc; chief_executive_officer: Apple Inc, Tim Cook; developer: iPhone, Apple Inc; manufacturer: iPhone 6S Plus, Apple Inc; product_or_material_produced: Apple Inc, iPhone; employer: Tim Cook, Apple Inc; manufacturer: iPhone, Apple Inc; product_or_material_produced: Apple Inc, iPhone 6S Plus; product_or_material_produced: Apple Inc, iPhone 6S