A black dog runs on the beach .
It is highly likely that a black dog chases a Frisbie tossed to him on the beach .
It is probably not the case that a black dog chases a Frisbie tossed to him on the beach .
It is highly likely that a black dog chases a Frisbie tossed to him on the beach .
A black dog chases a Frisbie tossed to him on the beach .