It is probably the case that Bernhard is a rhino. We doubt that Greg is a swan. It is highly unlikely that Mary is in the bathroom.
It is likely that mary is in the bathroom, or Bernhard is a rhino.
It is likely that mary is in the bathroom, or Bernhard is a rhino.
There is little chance that mary is in the bathroom, or Bernhard is a rhino.
Mary is in the bathroom, or Bernhard is a rhino.