Two German shepherds playing with a stick .
It is probably not the case that two German shepherds are running outside taking turns playing with a stick that their owner throws for them .
It is probable that two German shepherds are running outside taking turns playing with a stick that their owner throws for them .
It is probably not the case that two German shepherds are running outside taking turns playing with a stick that their owner throws for them .
Two German shepherds are running outside taking turns playing with a stick that their owner throws for them .