context: It is highly unlikely that Jason is bored. It is unlikely that John dropped the apple. There is almost no chance that Greg is a rhino. It is improbable that if Greg is a rhino, and John dropped the apple, then Mary put down the milk. It is likely that if John dropped the apple, and Jason is bored, then Brian is yellow. It is certain that if either Greg is a rhino, or Jason is bored, then Lily is white.
hypothesis: We believe that either Greg is a rhino, or Brian is yellow.
valid_hypothesis: There is almost no chance that either Greg is a rhino, or Brian is yellow.
invalid_hypothesis: We believe that either Greg is a rhino, or Brian is yellow.
hypothesis_assertion: Either Greg is a rhino, or Brian is yellow.