"I'll sing a song for a sandwich," Ellie joked. She appreciated Juliet's words. They were both what the other needed. A daughter and a mother.
Still. Ellie probably could have picked a kinder song to sing:
'I walk through the valley of the shadow of death. I fear no evil because I'm blind to it all. My mind and my gun they comfort me Because I know I'll kill my enemies when they come...'