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.

Alaska Air Group , parent of Alaska Airlines and Horizon Air, posted second-quarter GAAP net income of $234 million, up 41.8% year-over-year (YOY) from net income of $165 million in the 2014 June quarter.

Answer: owned_by: Alaska Airlines, Alaska Air Group; parent_organization: Alaska Airlines, Alaska Air Group