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.

5 Questions About SK Group The Wall Street Journal – 1 hour 52 minutes ago Print Chey Tae-won, chairman South Korea’s third-largest conglomerate, SK Group, is free to resume his duties now that an Aug. 13 pardon by President Park Geun-hye has brought an early end to his four-year prison sentence.
owned_by: SK Group, SK