In what WAY does the author's use of the PRISON SYMBOLIZE the protagonist's struggle - AND how does this relate to our discussion of the uses of irony?

In what WAY does the author's use of the PRISON SYMBOLIZE the protagonist's struggle - AND how does this relate to our discussion of the uses of irony? https://www.youtube.com/watch?v=s3YdjD0OyJc https://www.youtube.com/watch?v=s3YdjD0OyJc