There is almost no chance that Julius is a frog. It is impossible that John left the football. It is probably not the case that Brian is a rhino.
It is probably not the case that julius is a frog, or Brian is a rhino.
It is probably not the case that julius is a frog, or Brian is a rhino.
We believe that julius is a frog, or Brian is a rhino.
Julius is a frog, or Brian is a rhino.