'Are they ever real? Like really real? What is really real though! Birds? What are birds? ... We just don't know.' He babbled back in their head, but there was silence at Margo's question.
Instead, it is answered by singing, 'Then you hear somebody sa-ay That's the sound of the men working on the chain ga-a-ang That's the sound of the men working on the chain gang Can't ya hear them singin' Mm, I'm goin' home one of these days"