At 28:07, Nina tells Mr. Ridgeway that Rendell and Ellie have identical scars in the same exact place. However, Rendell's was shown to be on his left, while Ellie's is on her right.
After Eden falls on her face and spills her tray, she cleans up a bit and puts the bowl on her tray. After the wide scene, she's holding a mostly-empty tray.