We're following the book of John in sequence and the next chapters up for discussion all include conversations that Jesus has (Nicodemus, John the B, Woman at the Well)
When we read these exchanges we begin to learn things about God, His Kingdom, and if we read it long enough, we learn things about ourselves
In regards to the style of the film, we storyboarded it as if it were one of my Office posts where I find myself people watching and speculating on who and what they're all about.
We based two of the shots on the Biblical conversations (Nicodemus - Important Types; Woman at the Well - 6 Cups). We had a tough time with the John the B scenario so we scrapped it