context: We doubt that John dropped the apple. It is almost certain that Mary moved to the office. It is probable that Bernhard is a lion. We believe that if either John dropped the apple, or Bernhard is a lion, then Brian is a rhino. It is unlikely that if John dropped the apple, or Bernhard is a lion, then Julius is a swan. It is highly likely that if Mary moved to the office, and John dropped the apple, then Greg is a frog.
hypothesis: Chances are slight that mary moved to the office, or Greg is a frog.
valid_hypothesis: It is almost certain that mary moved to the office, or Greg is a frog.
invalid_hypothesis: Chances are slight that mary moved to the office, or Greg is a frog.
hypothesis_assertion: Mary moved to the office, or Greg is a frog.