The dog walks on the high plank .
It is impossible that the dog is going to his `` secret bone-hiding '' place to deposit his newest piece .
It is impossible that the dog is going to his `` secret bone-hiding '' place to deposit his newest piece .
It is likely that the dog is going to his `` secret bone-hiding '' place to deposit his newest piece .
The dog is going to his `` secret bone-hiding '' place to deposit his newest piece .