context: It is probable that Julius is gray. It is highly likely that Greg is yellow. There is a better than even chance that Lily is a frog. It is probably the case that if either Greg is yellow, or Lily is a frog, then Bernhard is a lion. It is highly likely that if either Julius is gray, or Lily is a frog, then John went to the hallway. We doubt that if Lily is a frog, and Greg is yellow, then Sandra dropped the apple.
hypothesis: Chances are slight that either Sandra dropped the apple, or Greg is yellow.
valid_hypothesis: There is a very good chance that either Sandra dropped the apple, or Greg is yellow.
invalid_hypothesis: Chances are slight that either Sandra dropped the apple, or Greg is yellow.
hypothesis_assertion: Either Sandra dropped the apple, or Greg is yellow.