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.

Sat, Aug 29, 2015, 22:16 BST - UK Markets closed Berkshire Hathaway builds stake in refiner Phillips 66 Berkshire Hathaway builds stake worth nearly $4.5 billion in refiner oil Phillips 66 By The Associated Press | Associated Press – 2 hours 8 minutes ago 77.23 +2.21

Answer: owner_of: Berkshire Hathaway, Phillips 66; owned_by: Phillips 66, Berkshire Hathaway