It is probably the case that Mary went to the garden. We doubt that Bernhard is a rhino. It is unlikely that Lily is white. It is highly unlikely that if either Bernhard is a rhino, or Lily is white, then Jessica is a sheep. It is highly unlikely that if Mary went to the garden, and Lily is white, then Greg is a frog. It is likely that if Mary went to the garden, and Lily is white, then Fred dropped the apple.
Chances are slight that greg is a frog, or Fred dropped the apple.
Chances are slight that greg is a frog, or Fred dropped the apple.
We believe that greg is a frog, or Fred dropped the apple.
Greg is a frog, or Fred dropped the apple.