A dog pulls a young girl on a sled and the sled knocks down the girl's mother.
A dog runs on a dock at a pond and slips at the edge and flips over and falls on a step and then into the water. Dog was probably pushed.
A dog jumps and shakes around a new bone before picking it up.
A cat sits on a window sill in the living room and gets scared and runs away when another cat outside the house jumps up and grabs the screen on the window.