A man in shorts , on a bicycle , rides along side a wave-crashing waterfront while his leashed dog is to his right hand side .
There is a very good chance that a dog pulls his owner on a bike at the beach .
It is impossible that a dog pulls his owner on a bike at the beach .
There is a very good chance that a dog pulls his owner on a bike at the beach .
A dog pulls his owner on a bike at the beach .