It is impossible that Jessica is a sheep. It is likely that John went to the garden. There is a very good chance that Greg is white. It is unlikely that if either Jessica is a sheep, or Greg is white, then Sandra got the apple. It is almost certain that if either Jessica is a sheep, or John went to the garden, then Lily is green. It is almost certain that if Greg is white, and Jessica is a sheep, then Mary moved to the office.
There is a better than even chance that either Sandra got the apple, or Greg is white.
There is a better than even chance that either Sandra got the apple, or Greg is white.
It is highly unlikely that either Sandra got the apple, or Greg is white.
Either Sandra got the apple, or Greg is white.