What is the relationship between different and Spotify in the context of the input sentence. Choose an answer from: 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.

Answer: distributed_by