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.
Take context from the input text and decide on the accurate relationship between 'different' and 'Spotify' from the options provided.
Options: owner of, product/material produced, platform, distributed by