context: 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.
hypothesis: There is a better than even chance that either Sandra got the apple, or Greg is white.
valid_hypothesis: There is a better than even chance that either Sandra got the apple, or Greg is white.
invalid_hypothesis: It is highly unlikely that either Sandra got the apple, or Greg is white.
hypothesis_assertion: Either Sandra got the apple, or Greg is white.