A boy wearing a red jacket sits on his dad 's shoulders while his father who is wearing a gray long-sleeved shirt and white shorts holds onto a large black dog by its leash .
We believe that a father and son are taking their dog to the park .
It is probably not the case that a father and son are taking their dog to the park .
We believe that a father and son are taking their dog to the park .
A father and son are taking their dog to the park .