context: There is a better than even chance that Mary put down the apple. There is almost no chance that John went to the office. There is little chance that Greg is a frog. It is probable that if Mary put down the apple, or John went to the office, then Sandra got the football. It is certain that if John went to the office, or Mary put down the apple, then Bernhard is a swan. It is impossible that if Greg is a frog, or John went to the office, then Brian is white.
hypothesis: It is highly unlikely that mary put down the apple, or Bernhard is a swan.
valid_hypothesis: There is a better than even chance that mary put down the apple, or Bernhard is a swan.
invalid_hypothesis: It is highly unlikely that mary put down the apple, or Bernhard is a swan.
hypothesis_assertion: Mary put down the apple, or Bernhard is a swan.