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.

Smartphone giant seeks mobile payments spark Twitter-like Hindi networking site 'Mooshak' launched; character limit 500 Mahatma Gandhi's writings go online Apple Inc sent out invites to journalists last month for a Sept 9 event, where it is expected to unveil new iPhones and a new version of its Apple TV set-top box.

Answer: owned_by: Apple TV, Apple Inc; operator: Apple TV, Apple Inc; product_or_material_produced: Apple Inc, Apple TV; parent_organization: Apple TV, Apple Inc