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.
Text: Aimia now owns a large stake in the leader in the outdoor advertising market in China with a high growth, high ROI and a scalable business, but debt free with a proven track record of free cash flow generation backed by blue chip consortium of investors and a highly skilled management team.
user
industry: Aimia, management
assistant