It is highly likely that Winona is a mouse. There is a better than even chance that John went to the garden. Chances are slight that Greg is a frog.
It is impossible that winona is a mouse, or John went to the garden.
It is almost certain that winona is a mouse, or John went to the garden.
It is impossible that winona is a mouse, or John went to the garden.
Winona is a mouse, or John went to the garden.