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.

So, specifically, to address the question, on our host read ads, the host itself decides among a number of different brands that it wants to work with and then reads those ads in and then Spotify serves that base to the audience that best suits the advertisers intends.
distributed_by: different, Spotify