It is certain that Greg is a frog. It is likely that Lily is white. We believe that Fred left the football. It is probably the case that if Greg is a frog, and Lily is white, then Daniel dropped the apple. Chances are about even that if Lily is white, or Fred left the football, then Jessica is a mouse. It is highly likely that if Fred left the football, or Greg is a frog, then John put down the milk.
Chances are about even that either Daniel dropped the apple, or John put down the milk.
Chances are about even that either Daniel dropped the apple, or John put down the milk.
It is impossible that either Daniel dropped the apple, or John put down the milk.
Either Daniel dropped the apple, or John put down the milk.