It is certain that Lily is a frog. It is probably the case that John left the milk. There is a very good chance that Bernhard is yellow.
It is certain that bernhard is yellow, or Lily is a frog.
It is certain that bernhard is yellow, or Lily is a frog.
There is little chance that bernhard is yellow, or Lily is a frog.
Bernhard is yellow, or Lily is a frog.