Children are in pursuit of a dog whose leash
has broken. James is directly behind the dog.
Ruby is behind James. Rachel is behind Ruby.
Max is ahead of the dog walking down the
street in the opposite direction. As the children
and dog pass, Max turns around and
joins the pursuit. He runs in behind Ruby.
James runs faster and is alongside the dog on
the left. Ruby runs faster and is alongside the
dog on the right. Which child is directly
behind the dog?