We believe that Lily is yellow. There is a very good chance that John got the milk there. It is almost certain that Yann is bored.
It is certain that yann is bored, or John got the milk there.
It is certain that yann is bored, or John got the milk there.
It is probably not the case that yann is bored, or John got the milk there.
Yann is bored, or John got the milk there.