This is a test of commonsense with single/multi-choices. Complete the next sentence:

A large dog is holding on to a blue leash that is on a smaller dog. he

OPT:
-- puts the leash on the second dog using the camera.
-- is holding onto the leash while the dog walks on it's right hind legs.
-- then begins walking on the leash behind the dog, walking with his regular lead weight.
-- is basically walking her, while the owner walks a third dog.
The answer is:
is basically walking her, while the owner walks a third dog.