context: It is improbable that Julius is green. There is a very good chance that Greg is a rhino. There is a better than even chance that Brian is a lion. There is a very good chance that if either Julius is green, or Brian is a lion, then Mary grabbed the milk. There is a better than even chance that if Brian is a lion, or Julius is green, then Sandra got the apple. It is unlikely that if Greg is a rhino, or Julius is green, then John went to the bedroom.
hypothesis: We believe that either Julius is green, or Greg is a rhino.
valid_hypothesis: We believe that either Julius is green, or Greg is a rhino.
invalid_hypothesis: It is impossible that either Julius is green, or Greg is a rhino.
hypothesis_assertion: Either Julius is green, or Greg is a rhino.