context: It is highly likely that Mary went to the office. It is probably not the case that Lily is a lion. There is a very good chance that Julius is yellow. It is highly unlikely that if Lily is a lion, or Mary went to the office, then Bernhard is gray. There is almost no chance that if either Mary went to the office, or Julius is yellow, then Greg is green. We doubt that if Mary went to the office, or Lily is a lion, then Sandra got the apple.
hypothesis: We believe that either Sandra got the apple, or Mary went to the office.
valid_hypothesis: We believe that either Sandra got the apple, or Mary went to the office.
invalid_hypothesis: There is little chance that either Sandra got the apple, or Mary went to the office.
hypothesis_assertion: Either Sandra got the apple, or Mary went to the office.