context: It is almost certain that Mary went to the office. It is improbable that Julius is a rhino. It is almost certain that Daniel took the milk. There is almost no chance that if either Daniel took the milk, or Mary went to the office, then John picked up the apple. We doubt that if Mary went to the office, or Julius is a rhino, then Brian is a swan. It is certain that if Julius is a rhino, and Mary went to the office, then Bernhard is a lion.
hypothesis: It is almost certain that mary went to the office, or Bernhard is a lion.
valid_hypothesis: It is almost certain that mary went to the office, or Bernhard is a lion.
invalid_hypothesis: Chances are about even that mary went to the office, or Bernhard is a lion.
hypothesis_assertion: Mary went to the office, or Bernhard is a lion.