Amazon Music UK head Paul Firth said: "Choice is something we don’t see at play that much in the music streaming market, so if you are a music streaming customer you can either pay £120 a year, or you can be subject to interruptions from ads or other listening restrictions through one of the free services."
In the context of the input sentence, determine the relationship between 'play' and 'music streaming'.
Options: legal form, subsidiary, distribution format, founded by