A large brown dog is pushing a small Boston terrier with his face while anouther dog watches .
Chances are about even that a large down pushes her puppy while the sibling watches .
There is almost no chance that a large down pushes her puppy while the sibling watches .
Chances are about even that a large down pushes her puppy while the sibling watches .
A large down pushes her puppy while the sibling watches .