context: We doubt that Winona is a cat. We believe that Emily is a mouse. We believe that Mary went to the bedroom. We doubt that if Mary went to the bedroom, or Emily is a mouse, then Jeff discarded the apple. We doubt that if Winona is a cat, or Emily is a mouse, then Lily is green. Chances are about even that if Mary went to the bedroom, or Emily is a mouse, then Greg is white.
hypothesis: There is a very good chance that mary went to the bedroom, or Greg is white.
valid_hypothesis: There is a very good chance that mary went to the bedroom, or Greg is white.
invalid_hypothesis: We doubt that mary went to the bedroom, or Greg is white.
hypothesis_assertion: Mary went to the bedroom, or Greg is white.